vagus nerve

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Free 5-Star Resort, Transferring Passion, and Breathing in the Rain

,

Listen Instead of Reading

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Reading Time: 1 min 37 sec

I hope the next 25’ish breaths are the most nourishing of your day.


4 THOUGHTS

4 THOUGHTS

1. A Rainy, Effortless Breathing Exercise

“Importantly, rain washes away the vestiges of pollution. Air is always cleaner during and immediately after a downpour…As rain tumbles through the atmosphere, each drop attracts hundreds of pollutant particles…Leaving the air bracingly fresh, scrubbed clean.”

- Annabel Streets, 52 Ways to Walk

Next time it rains, go out and breathe some freshly cleaned air. It’s the most effective & effortless “breathing exercise” you can do 😊

2. What Can Be Transferred is Passion

“That's really where the power of meditation lies, and it's not something that can be transferred from one person to another. What can be transferred is the passion for it.”

- Jon Kabat-Zinn, Meditation for Optimum Health

This made me think if I could sit down and do slow, mindful breathing for you, I would. But alas, our bodies don’t work that way…

However, I hope these newsletters and my workshops & coaching can at least transfer some of my passion for these practices to you 🙏

3. The Spiritual Essence of Human Beings

“I think that really is the power of breath. It is the spiritual essence of human beings; when we look in that direction, we are doing spiritual work.”

- Andrew Weil, MD, Breathing: The Master Key

Of course, doing breathing exercises doesn’t require any spirituality.

But because breathing is “the spiritual essence of human beings,” just focusing on it can become a spiritual practice if we so choose 👏

4. Checking Into a Free 5-star Resort

“When you focus for a short time, gently brushing aside any intrusive thoughts, your mind and body suddenly become a five-star resort in which all the service personnel make your restoration and health their priority and are especially concerned with alleviating the harmful effects of stress.”

– Herbert Benson, MD, Timeless Healing

Sitting or lying down, slowing down, and focusing on your breath is like checking into a five-star healing resort: “all the service personnel make your restoration and health their priority.”

Make sure you check in a few times this week.

1 Quote

“You should keep your mind on your breathing until you are not aware of your breathing.””
— Shunryu Suzuki

1 Answer

Category: Receptors & Nerves

Answer: Pulmonary stretch receptors respond to excess lung stretching by sending a signal through this nerve to stop inhalation.

…

(Cue the Jeopardy! music.)

…

Question: What is the vagus nerve?

In good breath,

Nick Heath, T1D, PhD
“Breathing is the compound interest of health & wellness.”


P.S. feeling visited enough

Is Your Advice Being Ignored?

Consider giving the gift of calm to someone you care about (maybe that person you’ve tried to convince to do breathing exercises, but they just won’t listen 😉):

Use discount code NICK20 for 20% off.

Amazon Associate Disclosure

I’ve been recommending books for almost 6 years. Yet somehow, I just discovered that I could be an Amazon affiliate [face-palm]. In any case better late than never. Now, any Amazon link you click is an affiliate link. As an Amazon Associate, I earn from qualifying purchases. So, if you’d like to support my work, buying books through these links is helpful : )

* An asterisk by a quote indicates that I listened to this book on Audible. Therefore, the quotation might not be correct, but is my best attempt at reproducing the punctuation based on the narrator’s pace, tone, and pauses.

 
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Why Breath Control Matters, -148°F, and Engaging Fully in Life

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4 THOUGHTS

1. A Remarkable Fact About the Upper Airways (-148°F)

“…the upper respiratory tract is able to warm and saturate inspired air so that in climates as cold as minus 100°C [-148°F] air entering the alveoli has attained body temperature and is saturated with water vapor.” 

- Walker and Wells (1961)

My brain can’t fully grasp how remarkable that is over such a short distance…

Our airways are incredible.

2. Oral Posture and Nasal Breathing

“Try it for yourself: Open your mouth and place your tongue on your upper palate. Now try to breathe through your mouth. While it is possible to draw a wisp of air into the lungs, it will not feel right. It follows therefore that the tongue of a mouth breather will tend to rest on the floor of the mouth or suspended midway.”

– Patrick McKeown, The Oxygen Advantage

Patrick’s explanation here is perhaps the most commonsense reason for maintaining optimal oral posture: It promotes nasal breathing simply because breathing through your mouth is awkward when the tongue is against the roof of the mouth. 👏

3. Why Voluntary Breath Control Matters

“We can hold our breath, or breathe faster, or breathe slower, at any time, by choice. Why does this control matter? It matters because breathing is the link between our inner and outer experiences … It is also the link between the physical and emotional reactions we have to those experiences. In other words, what is happening within our bodies and minds is channeled through our breathing.”

- Anyen Rinpoche & Allison Choying Zangmo, The Tibetan Yoga of Breath

I have nothing to add except a few of these 🤯 🤯 🤯

4. A Neat Study on Slow Yogic Breathing and Vagal Stimulation

“These findings raise the possibility that mind-body techniques that use slow breathing at rest exert their breathing-related relaxation effects through vagal mechanisms.”

- Vagal Mediation of Low-Frequency Heart Rate Variability During Slow Yogic Breathing

This ingenious study separately blocked the parasympathetic and sympathetic nervous systems and then measured HRV during slow yogic breathing. By doing this, they conclusively found that increases in HRV were primarily due to increased vagal activity.

In other words, slow breathing is vagus nerve stimulation 👏

***

P.S. You get the full Science 411 on this paper when you sign up for the Breath is Life Learning Center.

Breath is Life Learning Center

The Largest Collection of Breathing Wisdom and Science on the Web

Join Today.

1 Quote

“Mindful Breathing is a useful practice in its own right. … However, I’d like you to think of it as a versatile training tool to help you engage fully in every meaningful task in your life.””
— Russ Harris

1 Answer

Category: Diagnostic Breath Exercise

Answer: This physiological exercise is basically a forced exhale against a closed glottis, mouth, and nose.

…

(Cue the Jeopardy! music.)

…

Question: What is the Valsalva maneuver?

In good breath,

Nick Heath, T1D, PhD
“Breathing is the compound interest of health & wellness.”


P.S. literally me every time

* An asterisk by a quote indicates that I listened to this book on Audible. Therefore, the quotation might not be correct, but is my best attempt at reproducing the punctuation based on the narrator’s pace, tone, and pauses.

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Each Monday, I curate and synthesize information from scientific journals, books, articles, and podcasts to share 4 thoughts, 1 quote, and 1 answer (like "Jeopardy!") related to breathing. It’s a fun way to learn something new each week.

 
,

Head and Heart, Best Advice, and Why All Breathwork Works

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4 Thoughts



1. Why All Breathwork Works: The Brain, Lungs, and Speed Dial

“Over thousands of years of evolution, fast and powerful pathways between the respiratory system and the brain have been established. If breathing stops, death occurs within minutes, and so the brain prioritizes messages from the lungs above all others.”

- Charley Morley, Wake Up to Sleep
(Thanks to D.A. for this excellent recommendation)

This idea has been said in many different ways, but this version resonates profoundly with me. And, it concisely summarizes why all breathwork works: “the brain prioritizes messages from the lungs above all others.”

2. For Breathing, We Need Emotion and Science, Head and Heart

“It’s time to drop the old notions of separation between emotion and science—for ourselves and our future. Just as rivers join on their way to the ocean, to understand Blue Mind we need to draw together separate streams: analysis and affection; elations and experimentation; head and heart.”

- Wallace J Nichols, Blue Mind

This is a beautiful passage, and it couldn’t be any truer for breathing, too: we need “analysis and affection; elations and experimentation; head and heart.”

Breathing is where all these rivers join and flow into the ocean of life.

3. Resonance Breathing for Sleep: A Real-World Example

“I have found that just a few minutes of resonance breathing each day has improved my sleep, and my ability to fall asleep much more quickly. … Resonance breathing has helped me to get in touch with the parasympathetic branch of the nervous system that rules rest. When I lie down to sleep at night, I can sense sleep much more readily, and I can give into it.”

- Eddie Stern, One Simple Thing

A few weeks ago, we discussed a study showing that slow breathing before sleep improves sleep quality and vagal tone.

But better than any study, here’s a real-world example from Eddie Stern. In fact, it was so powerful for Eddie that he went and created a resonance breathing app.

Use it tonight for better sleep.

4. The Best Advice I’ve Read for Our Daily Practice

“The practice itself has to become the daily embodiment of your vision and contain what you value most deeply. It doesn't mean trying to change or be different from how you are, calm when you're not feeling calm, or kind when you really feel angry. Rather, it is bearing in mind what is most important to you so that it is not lost or betrayed in the heat and reactivity of a particular moment.” (my emphasis)

- Jon Kabat-Zinn, Ph.D., Wherever You Go There You Are

It’s taken me 5 years of daily practice to even begin to understand this statement.

No matter how long you are into yours, I hope this hits home for you too 🙏

1 QUOTE

“The practices of breathing and working with your body are about re-empowering you. They’re about connecting you with your own mind, your own body, your own will and your ability to live and to value your life.”
— Daniel Libby, Ph.D.
 

1 ANSWER

Category: Brain-Lung Communication

Answer: One of the ways in which the brain has the lungs on “speed dial” is through information sent & received from this nerve.

…

(Cue the Jeopardy! music.)

…

Question: What is the vagus nerve?

P.S. I know this was a softball for many of you, but it fit too good with Thought #1 to leave off here : )

Two Extras: A Speaking Event and a Blog

1. Breathe Your Way to Better Health: A Presentation Format of The Breathing 411

I’m honored to be speaking at the Ziva Lifestyle Summit: Your Health Begins with You. For talks, I always draw from this newsletter to combine a variety of sources in a fun and (hopefully) useful way. So, if you like this newsletter, I think you’ll enjoy it.

Here are the event details. I hope to see you there!

2. Reduce Stress with Slow Deep Breathing

Here’s another guest blog I wrote for ResBiotic titled Reduce Stress with Slow Deep Breathing. I hope you enjoy it!

In good breath,

Nick Heath, T1D, PhD
“Breathing is the compound interest of health & wellness.”

P.S. 6 months since I joined the gym

Breathing for Diabetes:

If you love learning about breathing, or just want to live an overall healthier life, I think you’ll really enjoy this class (diabetes or not).

 
 

* An asterisk by a quote indicates that I listened to this book on Audible. Therefore, the quotation might not be correct, but is my best attempt at reproducing the punctuation based on the narrator’s pace, tone, and pauses.

Sign Up For The Breathing 411

Each Monday, I curate and synthesize information from scientific journals, books, articles, and podcasts to share 4 thoughts, 1 quote, and 1 answer (like "Jeopardy!") related to breathing. It’s a fun way to learn something new each week.

 
 
,

3 Easy Mindful Breaths, Breathing's Version of AI, and 7/11 for 7/11

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If you enjoy listening, you can subscribe to the audio version on Spotify, Apple Podcasts, and Audible so you don’t even have to look at the email 😊

 

4 Thoughts



1. A Different Kind of AI for Breathing (one that works in real life)

For breathing, we don’t need artificial intelligence. Instead, we can tap into a much more powerful AI: Ancient Intelligence.

Before modern scientific methods, ancient cultures built “breathing algorithms” based on what worked in real life. We just have to follow them.

Although there are countless resources out there, here are two to get started:

And here’s to using a little more breathing AI, today : )

***

P.S. This was inspired by this Brian Johnson +1 🙏

2. The Good Breath isn’t Achievable; It’s a Way of Breathing

“Instead, the good life that I present, which is deeply grounded in the core principles of humanistic psychology and a realistic understanding of human needs, is about the healthy expression of needs in the service of discovering and expressing a self that works best for you.

The good life is not something you will ever achieve. It’s a way of living.”

- Scott Barry Kaufman, Transcend

I absolutely love this passage. And with it, I introduce my version for breathing:

The good breath is deeply grounded in the principles of human physiology and psychology, along with a realistic understanding of individual human differences. It’s about the healthy expression of your emotions and highest potential through breathing practices that work best for you.

The good breath isn’t something we try to achieve. It’s simply a way of breathing.

***

Related: The Deep Breath Hypothesis

3. Knowing isn’t Enough: You Have to Use the Breath

“As strange as it may sound, we tell ourselves that because we know how to repel a symptom …, we don't have to actually use the tool any longer.

[…] But if you want to build stronger muscles, you can't just think about lifting weights—you actually have to do the exercises.

In the same way, if you want to increase your Life Force, you have to actually use the tools.”

- Barry Michels and Phil Stutz, Coming Alive

I think they actually wrote that first sentence for me 😂

Just a reminder that, no matter how much we “know,” we still have to practice.

This goes for breathing or any other tool we use for a better life.

4. 7/11 for 7/11: Slow Relaxing Breathing for 7 to 11 Minutes

Since it’s 7/11, I invite you to practice 7/11 breathing with me:

  • 7-second inhale

  • 11-second exhale

  • Do this for between 7 to 11 mins (I did 10 this morning)

I’ve been using this rate almost every day for about 3 years, simply because 7 is my wife’s favorite number and 11 is mine <— super scientific 😂.

Give it a go and see how you feel 🙏

Extra: 3 Easy Ways to Relax with Mindful Breathing

Here’s another guest blog I wrote for ResBiotic. This is my favorite one yet : )

3 Easy Ways to Relax with Mindful Breathing

Enjoy the quick read!


1 QUOTE

“To meditate with mindful breathing is to bring body and mind back to the present moment so that you do not miss your appointment with life.”
— Thich Nhat Hanh
 

1 ANSWER

Category: Lungs & Nerves

Answer: The lungs are filled with receptors and can be thought of as a sensory organ, communicating information to the brain via this nerve.

…

(Cue the Jeopardy! music.)

…

Question: What is the vagus nerve?

In good breath,

Nick Heath, T1D, PhD
“Breathing is the compound interest of health & wellness.”

P.S. they’re gonna have to put down another unicorn

Breathing for Diabetes:

If you love learning about breathing, or just want to live an overall healthier life, I think you’ll really enjoy this class (diabetes or not).

 
 

* An asterisk by a quote indicates that I listened to this book on Audible. Therefore, the quotation might not be correct, but is my best attempt at reproducing the punctuation based on the narrator’s pace, tone, and pauses.

Sign Up For The Breathing 411

Each Monday, I curate and synthesize information from scientific journals, books, articles, and podcasts to share 4 thoughts, 1 quote, and 1 answer (like "Jeopardy!") related to breathing. It’s a fun way to learn something new each week.

 
 
,

Yoga vs. Prozac, Deep Insight, and 4 Breaths for a Better Heart

,
 

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4 Thoughts



1. Why 6 Breaths/Min Improves Heart Health & Quality of Life in Diabetes

I never get tired of talking about slow breathing : )

So, here’s a longer blog about the benefits for heart health & diabetes:

Why 6 Breaths/Min Improves Heart Health & Quality of Life in Diabetes

It’s framed around diabetes, but, of course, it really applies to anyone.

4 Breathing Exercises to Improve Your Heart Health and Extend Life Span

While we’re at it, here’s another guest blog for ResBiotic outlining 4 breathing exercises you can do for a better heart. Two are slow breathing, and 2 are not.

Enjoy!

2. Why Breath Holds Are Mental Resiliency Training

When we’re in a stressful event, we can use our breath to help us cope.

But when lack of breath is the stressful event, we must use our minds.

3. Insight: Just Help Them To Do What Nature Provided Us With

I’m taking pranayama teacher training with Eddie Stern and Robert Moses.

In their exercises script, they (somewhat offhandedly) threw in this deeply insightful message:

“We want to teach people to breathe better so it makes their lives better in whatever way they need their life to improve—we don’t always know what that is (even for ourselves) so we do not want to impose things upon them, just help them to do what nature provided us with better.” (my emphasis)

That is perhaps the best statement ever made about breathing and how it should be used & taught. It’s almost as if they’ve been doing this for a while…

4. Yoga and Breathing Exercises, or Prozac and Zoloft?

“Deep breathing is a potent inducer of the parasympathetic nervous system. The release of acetylcholine not only calms our organs, it also stimulates the release of serotonin, dopamine, and prolactin, the feel-good hormones targeted by medicines like Prozac and Zoloft. But yoga and breathing exercises produce this effect naturally and without side effects.”

- Michael J Stephen, MD, Breath Taking

Sounds good to me : )


1 QUOTE

“We must endeavor with all our resources and strength to become capable of doctoring ourselves.”
— Marcus Tullius Cicero
 

1 ANSWER

Category: Vagus Nerve

Answer: This organ receives the greatest supply of nerves from the vagus nerve, helping explain why deep breathing is so relaxing.

…

(Cue the Jeopardy! music.)

…

Question: What is the diaphragm?

In good breath,

Nick Heath, T1D, PhD
“Breathing is the compound interest of health & wellness.”

P.S. a hero of our time

Breathing for Diabetes:

If you love learning about breathing, or just want to live an overall healthier life, I think you’ll really enjoy this class (diabetes or not).

 
 

* An asterisk by a quote indicates that I listened to this book on Audible. Therefore, the quotation might not be correct, but is my best attempt at reproducing the punctuation based on the narrator’s pace, tone, and pauses.

Sign Up For The Breathing 411

Each Monday, I curate and synthesize information from scientific journals, books, articles, and podcasts to share 4 thoughts, 1 quote, and 1 answer (like "Jeopardy!") related to breathing. It’s a fun way to learn something new each week.

 
 

Fast Breathing, Positive Emotions, and the 3 Stages of Wim Hof

 
 

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4 Thoughts


1. Feedforward vs. Feedback: How to Breathe Yourself into Being Happier

“Therefore, it is widely accepted that emotions arise within the brain, which provides feedforward signaling … [But] The emotional and neurological changes that arise during pranayama and meditation illustrate the effects that feedback from the body can have on emotions, the ANS, and neurological activity.”

- How Does the Body Affect the Mind? Role of Cardiorespiratory Coherence in the Spectrum of Emotions

I love this distinction, “feedforward” vs. “feedback.” Feedforward is when an emotion arises in the brain and “feeds” its signal to the rest of the body. Feedback is when your physiological state influences your feelings.

This paper hypothesizes that the feedbacks from slow breathing, namely the ones on the nervous system and brain, can elicit positive emotions.

That is, you might be able to breathe yourself into being happier.

I know I feel most joyful and optimistic after my morning breathing practice. It feels like magic, but I guess it’s just physiological feedback at its finest : )

***

Related Quote: “It's rarely a mysterious technique that drives us to the top, but rather a profound mastery of what may well be a basic skill set.” - Josh Waitzkin, The Art of Learning

2. Breathe Fast, but don’t Hyperventilate

You can breathe fast while staying present and in control. But when you chronically hyperventilate, it’s unmindful and unchecked.

When you’re breathing fast with control, it can be therapeutic. But chronic, unrestricted hyperventilation is illness in disguise.

So breathe fast, but don’t hyperventilate.

***

P.S. Of course, physiologically, fast breathing is hyperventilation, but the key distinction here is control. And I gotta be a little provocative now and then 😂.

P.P.S. This thought was inspired by James Clear’s recent idea on moving fast vs. rushing. It’s an excellent analogy for breathing.

3. The Three Stages of Wim Hof, in Chronological Order

  1. You love his charisma, and you think he’s a genius.

  2. You realize he’s crazy and that his method makes no sense.

  3. You love his charisma, and you think he’s a genius.

***

Related: 20 One-Sentence (& light-hearted) Thoughts on the Wim Hof Method

4. Breathing Haiku

“Haiku is about delivering powerful imagery in the fewest of words (usually between 11 and 17 syllables). Similarly, limiting breaths as you've mentioned leads to a more powerful, healthy life. It seems indeed, that the oft used adage in design "less is more" rings true here as well.”

- Benjamin C., 411 Reader

Absolutely beautiful.

I could go on and on about how perfect this analogy is. But instead, how about we fully express our poetic selves through a little breathing haiku, today.

 
 
 
 

1 QUOTE

“Or, more accurately, breathing should be returned to what was natural before we got stressed out by years of running around a hectic world and internalizing bad habits.”

- Josh Waitzkin, describing his Tai Chi instructor’s thoughts on breathing, The Art of Learning

 
 
 
 

1 ANSWER

Category: Vagus Nerve and Feedback

Answer: Approximately this percent of vagal nerve fibers are afferent, meaning they send information from the body back to the brain (aka feedback or bottom-up messaging).

…

(Cue the Jeopardy! music.)

…

Question: What is 80%?

In good breath,

Nick Heath, T1D, PhD
“Breathing is the compound interest of health & wellness.”

P.S. 99% of socializing as an adult

 
 
 

Sign Up For The Breathing 411

Each Monday, I curate and synthesize information from scientific journals, books, articles, and podcasts to share 4 thoughts, 1 quote, and 1 answer (like "Jeopardy!") related to breathing. It’s a fun way to learn something new each week.

 
 

Ujjayi isn’t Ocean, Well-Being, and Why You Should Teach “Brooklyn” Yoga

 
 

Listen Instead of Reading

 

This week, you’re going to learn:

  • That Ujjayi and Ocean breathing are different,

  • How to breathe for inflammation, and

  • A story I listened and laughed at more times than I’m proud to admit…

I hope you enjoy it!

 
 
 
 

4 Thoughts


1. Ujjayi vs. Ocean Breathing (turns out they’re different)

“Ujjayi pranayama, which is performed by lightly tightening the glottis and breathing with a whispering sound and then exhaling out of either the left or right nostril, stimulates the vagus through massaging the larynx and downregulating the sympathetic nervous system. … Ocean breath is sometimes used synonymously with ujjayi, but the two are separate practices.”

- Eddie Stern, One Simple Thing

I thought Ujjayi and Ocean breathing were the same thing. So, I found this passage fascinating (especially that Ujjayi uses an exhale through one nostril). I messaged Eddie about it, and he kindly responded with even more value.

He added that, for Ocean breathing, “the sound is made not so much by the tightening of the glottis, but by creating a continuum of pressure from the high nasal cavity, through the throat, into the thorax.”

That means there are two key differences between Ujjayi and Ocean breathing:

  • Ujjayi: sound comes from the glottis, and the exhale is through only one nostril.

  • Ocean: sound comes from the nose to thorax, and the exhale is through both nostrils.

My favorite part about breathing is continuously learning that I have so much more to learn : ) Thanks, Eddie!

***

Related: Hatha Yoga Pradipika (#51-53)

Related: My Conversation with Eddie on All Things Breathing

Related Quote: “The surest way to prevent yourself from learning a topic is to believe you already know it.” - James Clear

2. Slow Breathing for Oxidative Stress and Inflammation

Diabetes and its associated blood sugar fluctuations lead to chronic oxidative stress and inflammation. What can slow deep breathing do?

  • JACM (2011): “Diaphragmatic breathing, likely through the activation of the parasympathetic nervous system…reduces reactive oxygen species production.”

  • Nature (2017): “…our results lead to the hypothesis that slow breathing may exert some antioxidant effect, possibly via parasympathetic stimulation.”

  • PLOS One (2013): “RR [relaxation response] practice…reduced expression of genes linked to inflammatory response and stress-related pathways.”

Taken together, these results suggest that slow breathing could be a simple and effective way to reduce oxidative stress and inflammation in diabetes. 

But you don’t need diabetes to benefit. These two complications are present in many acute and chronic conditions, so the above results will help everyone.

3. “Why Your Breath is Connected to Your Well-Being”

“As deep breaths slow your heart rate, for example, your vagus nerve recognizes the cues of safety and sends that information to parts of the body so they can turn off their defenses, such as those that arise from a sense of anxiety or threat.”

- Why Your Breath is Connected to Your Well-Being

This is an awesome little article on breathing and well-being, focusing mainly on the vagus nerve.

You will learn how vagal tone is connected with social situations, how compassion can increase respiratory sinus arrhythmia (a marker of vagal activity), and 4 simple ways to calm your whole body.

I hope you enjoy it as much as I did.

4. Why You Should Start Teaching “Brooklyn” Yoga

“One new meditator kept coming to interviews with a chronic lament: ‘The breath is so boring!’

Finally, I asked him if he'd ever heard of Brooklyn yoga? He said no. I told him to close his mouth tight and close off both nostrils with his fingers. We sat that way for some time until finally he let go of his nose and gasped for air.

‘Was that breath boring?’, I said.”

- Larry Rosenberg, Breath by Breath

I must have listened to this story about 10 times in a row and laughed more with each one. It brilliantly captures the importance of breathing—no science or technical jargon needed.

So if anyone tells you breathing is boring, doesn’t work, or is pseudo-science, teach them a little “Brooklyn” yoga—you might just change their mind : )

***

P.S. When I ran in and told my wife the story (yes, I was excited, lol), she didn’t get the “Brooklyn” part. Neither do I, but I think that’s the point : )

Related: Is Breathing Woo-Woo? (Thought #4)

 
 
 
 

1 Quote

“If one wants longevity, one should let the spirit and the breath pour into each other.”

–Tao Tsang

Translation from The Primordial Breath

 
 
 
 

1 Answer

Category: Vagus Nerve Function

Answer: Activation of the vagus nerve releases this chemical, which stimulates muscle contractions in the parasympathetic nervous system and slows the heart rate.

…

(Cue the Jeopardy! music.)

…

Question: What is acetylcholine?

In good breath,

Nick Heath, T1D, PhD
“Breathing is the compound interest of health & wellness.”

P.S. No I don’t “meditate”

 
 
 

Sign Up For The Breathing 411

Each Monday, I curate and synthesize information from scientific journals, books, articles, and podcasts to share 4 thoughts, 1 quote, and 1 answer (like "Jeopardy!") related to breathing. It’s a fun way to learn something new each week.

 
 

How To Breathe To Live Longer, plus a New Take on "Breathe Light"

 
 

Listen Instead of Reading

 

Greetings,

Here are four thoughts, one quote, and one answer for this week.

I hope you enjoy!

 
 
 
 

4 Thoughts


1. How To Breathe To Live Longer

Let’s synthesize some ideas on breathing for longevity and see how we can apply this knowledge in our own life today.

Part I: Breathe Through Your Nose

Here’s James Nestor describing how George Caitlin lived double the average life expectancy of his time:

“He credited his longevity to ‘the great secret of life’: to always breathe through the nose.” - Breath

Part II: Expand Your Lung Capacity

Next, here’s Nestor describing the Framingham Heart Study:

“They gathered two decades of data from 5,200 subjects, crunched the numbers, and discovered that the greatest indicator of life span ... was lung capacity … larger lungs equaled longer lives.” – Breath

Part III: Synthesis and Application

Part I is straightforward: breathe through your nose. But how do we expand lung capacity? Nestor provides a few different ways.

  1. Light to moderate exercise

  2. Lung expanding breathwork

  3. Long and complete exhales

Lung-expanding breathwork includes things like Wim Hof w/ “belly, chest, head,” the Yogic Complete Breath, and most breathing taught in freediving.

Long exhales also increase lung capacity by allowing “more air to get in” on the next breath. But, they have the added longevity benefit of activating the “relaxation response.”

Alright, so there we have it. To live longer, we should breathe through our noses all the time, increase our lung capacity, and practice extended exhales.

And for the ultimate expression of longevity, let’s not forget what Michael J Stephen, MD tells us in Breath Taking:

“Those of us who practice breathing exercises today may well pass on more disease resistant genes to our descendants tomorrow.”

Here’s to living longer, today. : )

***

Related Quote: “For breath is life, and if you breathe well you will live long on earth.” - Sanskrit Proverb

P.S. Here’s how I implement this in my life:

  • Nasal breathing 24/7.

  • 15 min of slow breathing in the morning w/ extended exhales.

  • 5-10 min of slow breathing before bed w/ extended exhales.

  • Practice Wim Hof style breathing, ~5-10 min a day.

2. A New Definition of “Breathe Light”

You’ve probably heard of Patrick McKeown’s fantastic Breathe Light exercise. But, motivated by this excellent post, I decided to add another definition of “breathe light:”

Perform slow nasal breathing in the sunlight.

Nasal breathing releases nitric oxide into the airways and carries it into the lungs. Sunlight liberates nitrite from your skin and increases circulating levels of nitric oxide. When combined, you get better blood flow and oxygenation.

As Dr. Steven Lin says in the post,

Sunlight + Slow Breathing = Health + Happiness

***

Related: Insufficient Sun Exposure Has Become a Real Public Health Problem

Related: Sunlight May Be the Next Beet Juice

Related: Ultraviolet Radiation-Induced Production of Nitric Oxide:A multi-cell and multi-donor analysis

3. “Vision and Breathing May Be the Secrets to Surviving 2020”

“Stress, he says, is not just about the content of what we are reading or the images we are seeing. It is about how our eyes and breathing change in response to the world, as well as the cascades of events that follow.”

- Scientific American

I know, I know, it’s 2021. But I’m a slow reader : )

In any case, this is an excellent article from Scientific American. Breathing, stress, vision, and Andrew Huberman—it’s just all-around amazing.

I hope you enjoy it as much as I did, if you haven’t already read it…

***

P.S. Thanks to Ben Greenfield for sharing this article, which is how I found it.

4. The Most Important Part of Your Breathing Practice

Whether you’re breathing for longevity, energy, relaxation, or any other reason, here’s the most important part of the practice: to practice.

***

P.S. Inspired by Brian Johnson’s Notes on Creativity On Demand

 
 
 
 

1 Quote

“Life is too short to be lived in fast forward. Slow down. Breathe it in. Enjoy it.”

– Ryan Holiday

 
 
 
 

1 Answer

Category: Sunlight and Respiration

Answer: Although sunlight helps humans produce nitric oxide, it provides plants with their energy through this process.

…

(Cue the Jeopardy! music.)

…

Question: What is photosynthesis?

In good breath,

Nick Heath, T1D, PhD
Diabetes is Tiny. You are Mighty.

P.S. I felt this on a spiritual level

 
 
 

Sign Up For The Breathing 411

Each Monday, I curate and synthesize information from scientific journals, books, articles, and podcasts to share 4 thoughts, 1 quote, and 1 answer (like "Jeopardy!") related to breathing. It’s a fun way to learn something new each week.

 
 

Lucid Breathing, Positive Feedback Loops, and Wim Hof’s Breath Mastery

 
 

Listen Instead of Reading

 

Hey,

Here are four thoughts, one quote, and one answer for this week.

I hope you enjoy!

 
 
 
 

4 Thoughts


1. Why We Should (and Should Not) Care About HRV

“Over the years we've experimented with many different types of physiological and psychological measures. Heart rate variability (HRV) patterns… have consistently emerged as the most dynamic and reflective of our inner emotional states.”

- The Heartmath Solution

I’ve been on an HRV kick lately. And although I’m fascinated by the physiological implications of it—its correlation with disease and diabetes, its impact on stress, and so on—here’s another reason we should care: It’s the “most dynamic and reflective [measurement] of our inner emotional states.”

Of course, this makes perfect sense, as our emotional states impact our physiology, and vice-versa. HRV gives us an index for them all, which is why we should care about it.

But, we should also remember that high HRV isn’t the end goal. It’s the positive states associated with high HRV we’re after.

So here’s to using slow breathing to maximize HRV while (paradoxically) remembering that HRV is not the end goal.

***

Related Quote: “‘When a measure becomes a target, it ceases to be a good measure.’ Measurement is only useful when it guides you and adds context to a larger picture, not when it consumes you.” - James Clear, Atomic Habits

P.S. Huge thanks to Crussen for The Heartmath Solution. After taking his genuinely incredible Heart Coherence class, I contacted him, and he said Heartmath helped inspire it. I immediately grabbed the book and loved it.

2. The Positive Breathing-Relaxation Feedback Loop

“Slow breathing techniques with long exhalation will signal a state of relaxation by VN, resulting in more VN activity and further relaxation.”

- Frontiers in Human Neuroscience, 2018

Here’s a positive feedback loop we can celebrate: Slow breathing sends a message of relaxation via the vagus nerve, which increases vagal activity, further enhancing relaxation. Thank you, complicated physiology.

Practically, this is why when you start your slow breathing practice, you don’t feel much at first, but after a few minutes, you feel like a different person. You’re experiencing this positive breathing-relaxation feedback loop in action.

Complex science. Simple to experience.

Give it a shot today.

***

Related Quote: “Not only does VN control heart rate and slow deep breathing, slow respiration rates with extended exhalation could also activate the PNS by VN afferent function in the airways. This is a form of respiratory biofeedback.” - Same paper as above

Related: Longer Exhalations Are an Easy Way to Hack Your Vagus Nerve

3. A Wealth of Health | Breathing: Misconceptions and Tips (and Wim Hof’s Mastery)

“Taking control of the breath — consciously thinking about the unconscious respiratory mechanism — is the first step to improving a plethora of everyday struggles and habits.”

- The Breeze, Breathing: Misconceptions and tips

I picked that quote because it goes perfectly with Thought #4 below on Lucid Breathing. But the article is packed with information (and name drops, 😂). It covers a lot of ground, somewhat disjointedly, but I think you’ll enjoy it.

My favorite part was a reminder of something I often forget: That Wim Hof is a master of the breath (and marketing). Although his method frustrates many in the breathing community, James Nestor nailed it in this article:

“Everyone thinks that Wim Hof is breathing ‘Wim Hof breaths’ all the time,” Nestor said. “He’s not. He’s breathing like that for 20 minutes, and the rest of the time he’s breathing really slowly, and he’s humming.”

Enjoy!

***

Related: 20 One-Sentence Thoughts on the Wim Hof Method

4. Are Lucid Breathers the Future of Evolution?

“It seems to be only around 20 to 30% of the population are actually natural lucid dreamers…Maybe those 20 to 30% of people who do lucid dream are at the forefront of hominid evolution, and they are going to be the next species of preference. We just don't know.”

- Matthew Walker, Ph.D.

Maybe the same is true of lucid breathers? Interestingly, Nature made it difficult to control our dreams. It made it simple to control our breath—though most of us sleep right through it.

But control over our breath was not an accident. As Belisa Vranich and Brian Sabin tell us in Breathing for Warriors, “It's an invitation, an opportunity to take part in our own nature and evolution.”

So wake up in your breath. Use it to control this dream we call living.

 
 
 
 

1 Quote

“The quality of our breath expresses our inner feelings.”

- TKV Desikachar

P.S. I found that quote here.

 
 
 
 

1 Answer

Category: Heart and Breath Pacemakers

Answer: Although our heartbeat is controlled by pacemakers in the heart, the breathing pacemakers are located here.

…

(Cue the Jeopardy! music.)

…

Question: What is the brainstem?

In good breath,

Nick Heath, T1D, PhD
Diabetes is Tiny. You are Mighty.

P.S. My anxiety does not define me

 
 
 

Sign Up For The Breathing 411

Each Monday, I curate and synthesize information from scientific journals, books, articles, and podcasts to share 4 thoughts, 1 quote, and 1 answer (like "Jeopardy!") related to breathing. It’s a fun way to learn something new each week.

 
 

A Buffet of 13 Interesting Breathing Articles

 
 
 

I’ve been out of town, with less time than normal to work on the newsletter. So, I decided to share a buffet of interesting breathing articles this week.

I hope there are a few you enjoy!

 
 
 
 

4 Thoughts

1. Study Shows How Slow Breathing Induces Tranquility

“Breathe slowly and smoothly. A pervasive sense of calm descends. Now breathe rapidly and frenetically. Tension mounts. Why? It’s a question that has never been answered by science, until now.”

- Stanford Medicine News Center

We all know that slow breathing calms us, and fast breathing stimulates us. But in this great article, we learn that there are specific neurons “spying” on our breathing, “reporting their finding to another structure in the brainstem.”

Enjoy the interesting read!

Thanks to new 411 reader A.L. for inspiring this thought!

Related: Feeling anxious? The way you breathe could be adding to it

Related: What Focusing on the Breath Does to Your Brain

2. This Ridiculously Simple Breathing Technique Is Scientifically Proven to Improve Mental Focus

“I can't promise that it will make everything go smoothly, or take all your jitters away. But I can guarantee that you'll feel more focused and calm than you did before.”

- Inc. Magazine

Perfectly said. If you need a quick way to increase focus, it might be as simple as making “your exhalations longer than your inhalations.”

Enjoy the super quick read.

And, if you want to dive deeper down the rabbit hole, here are a few more:

Related: Diaphragmatic Breathing Exercises and Your Vagus Nerve

Related: Longer Exhalations Are an Easy Way to Hack Your Vagus Nerve

Related: Slower Breathing Facilitates Eudaimonia via Your Vagus Nerve

Related: This 2-Minute Breathing Exercise Can Help You Make Better Decisions, According to a New Study

3. The Importance of Breathing, from the American Institute of Stress

Please do yourself and favor and check out this issue of Contentment from the American Institute of Stress. They dedicated the entire thing to breathing.

Here’s what’s included:

  • The Health Benefits of Nose Breathing

  • Healing Power Of The Breath

  • The Setup Breath: Exhaling Deeply First

  • Re-Association: Fusing Awareness and Sound with Deep Breathing Practices

  • Take A Deep Breath

  • Yogic Breathing: Ancient and Modern

  • One-Minute Relaxation Exercise for Busy People

The first two were my favorites. You’re sure to find one or two you enjoy too.

P.S. I found this through an excellent Medium blog post.

4. Significant Brain Changes Found in Children Who Regularly Snore

“Children who regularly snore have structural changes in their brain that may account for the behavioral problems associated with the condition including lack of focus, hyperactivity, and learning difficulties at school.”

- Significant Brain Changes Found in Children Who Regularly Snore

This was a somewhat troubling read on how sleep-disordered breathing might explain hyperactivity and aggression in children.

With complex issues like these, it’s likely not as simple as “one thing.” But, this is an important read, especially if you have or work with children.

Thanks to great friend E.S. for sharing this with me.

Related: The influence of snoring, mouth breathing and apnoea on facial morphology in late childhood: a three-dimensional study. Thanks to HHPF for sharing this one.

Related Quote: “If respiration truly acts as a fundamental organizer of oscillatory brain activity, then surely its modulation could be utilized to modulate brain activity to promote sleep.” - Frontiers in Psychiatry (2019)

 
 
 
 

1 Quote

“In a single breath, more molecules of air will pass through your nose than all the grains of sand on all the world’s beaches—trillions and trillions of them.”

- James Nestor, Breath

 
 
 
 

1 Answer

Answer: In the early 1770s, this gas was independently discovered in England and Sweden.

…

(Cue the Jeopardy! music.)

…

Question: What is oxygen?

In good breath,

Nick Heath, T1D, PhD
Diabetes is Tiny. You are Mighty.

P.S. Enough for the next 11 days

 
 
 

Sign Up For The Breathing 411

Each Monday, I curate and synthesize information from scientific journals, books, articles, and podcasts to share 4 thoughts, 1 quote, and 1 answer (like "Jeopardy!") related to breathing. It’s a fun way to learn something new each week.

 
 

Investing, Sleep, and the Most Important Rest in a Day

 

Greetings,

Here are four thoughts, one quote, and one answer (like "Jeopardy!") to consider this week. Enjoy!

 
 
 
 

4 THOUGHTS

As I have been making my way through Patrick McKeown’s latest book, The Breathing Cure, I’ve been reminded of just how powerful all this breathing stuff is. Patrick has sections on breathing for diabetes, epilepsy, hypertension, and more.

Of course, despite the catchy title, breathing does not "cure" any of these ailments. Still, it’s quite remarkable to see all the conditions it can help with.

Upon reflection, this makes a lot of sense if we remember that breathing is like an index fund for health. It invests a small amount into a wide range of the body’s functions, such as lung and heart health, autonomic balance, and sleep.

Over time, these tiny improvements combine and compound into overall better health. And as Patrick’s new book shows, these benefits can be helpful in many different conditions.

The key, however, is to find a breathing practice that is right for you, get started, and be consistent. Here’s to safely investing in your health today.

P.S. Unlike most financial investments, however, you also get an immediate return on investment with breathing. For example, just two minutes of slow breathing can improve autonomic balance and enhance decision-making.

2. Mouth Tape is Passive Income for Your Health

Wealthy people grow their wealth in their sleep.

Healthy people grow their health in their sleep.

Taping your mouth at night is like passive income for your health. It requires only a small upfront investment: putting the tape on before you go to sleep. All of the benefits—like deeper sleep, improved mental clarity, and reductions in sleep apnea—come without any additional effort.

Thus, we might be wise to take the advice of a 1983 paper published in the journal Sleep: "While asleep, shut your mouth and save your brain."

3. Slower Breathing Facilities Eudaimonia via Your Vagus Nerve

"This accumulating body of evidence suggests that slow-paced breathing is a cost-free and readily available way to facilitate eudaimonia by lowering blood pressure, improving psychophysiological well-being, and increasing happiness."

- Christopher Bergland—Slower Breathing Facilitates Eudaimonia…

As you will learn in this article, Eudaimonia is "the condition of human flourishing or living well." So, when a headline implies that slow breathing might help us achieve this, I’m all in. This quick read lived up to its promise. Enjoy!

4. Breathing Tranquility

"Tranquility. It’s the feeling we have when we truly TRUST ourselves. When we know we’re headed in the right direction and we’re able to quit comparing ourselves to everyone else and stop second guessing ourselves every 5 seconds."

- Brian Johnson

Although slow breathing induces a sense of tranquility, that’s not what this made me think of. It made me think of the tranquility that can come when you find the right breathing practice for you.

We’re all different, and there’s no "perfect" method for everyone. Tranquility comes when you find the one that’s right for you and you know you’re headed in the right direction, whether it’s the latest popular technique or not.

My breathing tranquility? Seven seconds in, eleven seconds out. Repeat.

 
 
 
 

1 QUOTE

"Sometimes the most important thing in a whole day is the rest we take between two deep breaths."

– Etty Hillesum

 
 
 
 

1 ANSWER

Answer: By consuming oxygen, carbon, and hydrogen and giving off carbon dioxide and water, these two processes are fundamentally alike.

…

(Cue the Jeopardy! music.)

…

Question: What are combustion and human respiration?

In good breath,
Nick

P.S. Follow me for more financial advice

 
 

On Excellent Scientific Statements and Being Reasonable with Breathing

 

Greetings,

Here are 4 thoughts, 1 quote, and 1 answer related to breathing. Enjoy!

 
 
 
 

4 THOUGHTS

1. 18 Excellent Statements from Scientific Papers

"With breathing interventions being relatively rapid interventions to implement and also demonstrating a wide range of positive clinical outcomes, breathing interventions warrant closer consideration from healthcare professionals."

- Psychophysiology (2017)

Over the past few years, I have accumulated over 500 pages of notes on over 100 scientific articles on breathing. I’ve recently been going back through them as part of a project I’m working on.

In this post, I share 18 of the best "one-liners" I’ve come across. Enjoy!

2. Breathing, Autonomic Function, and Diabetes

One of the most significant benefits of slow breathing is its positive effects on autonomic function. This is typically measured by heart rate variability (HRV) and baroreflex sensitivity (BRS)—higher HRV and BRS indicate better function.

Perhaps unsurprisingly, people with diabetes generally suffer from lower HRV (Benichou et al. 2018; Kudat et al. 2006) and BRS (Bernardi et al. 2017; Esposito et al. 2016). This is due to many factors, such as fluctuating blood sugars and resting tissue hypoxia, which cause autonomic imbalance (Bianchi et al. 2017).

Encouragingly, slow breathing at a rate of 4-6 breaths per minute is an effective way of increasing HRV (Steffen et al. 2021; Russell et al. 2017; Tavares et al. 2017; Chen et al. 2016; Lin et al. 2014; Van Diest et al. 2014; Vaschillo et al. 2006) and BRS (Rosengård-Bärlund et al. 2011; Bernardi et al. 2011; Joseph et al. 2005).

Slow breathing improves these markers by stimulating the vagus nerve, which activates the calming parasympathetic nervous system (Gerritsen and Band 2018). This helps people with diabetes restore autonomic balance.

It is simple and immediately useful, seeming too good to be true. But alas, science agrees: “Slow breathing could be a simple beneficial intervention in diabetes.”

3. How Stuff Works: Why Breathing Through Your Nose Is Best

"But wait, there's more. Breathing through your nose also increases the amount of oxygen in your blood more than mouth breathing, which is essential to virtually every cell, organ and tissue in your body."

- How Stuff Works
Why Breathing Through Your Nose is Best

This excellent article succinctly summarizes the benefits of nose breathing. It’s short, sweet, and packed full of great information. Enjoy!

4. With Breathing, Be Reasonable Not Rational

"Do not aim to be coldly rational when making financial decisions. Aim to just be pretty reasonable. Reasonable is more realistic and you have a better chance of sticking with it for the long run, which is what matters most."

- Morgan Housel, The Psychology of Money

I find many parallels between health and wealth. Here is another. We often get too bogged down with doing everything rationally. "This study said 20 minutes of slow breathing is best" or "That one said three times a day is needed."

Rather than following scientific studies exactly, I believe it’s better to aim for being "pretty reasonable." Find the time of day that works best with your schedule. Find the method that works best for you. Two slow breaths are better than no slow breaths. Four minutes a day is still better than zero minutes a day.

With breathing, be reasonable, not rational.

 
 
 
 

1 QUOTE

“But the nostrils, with their delicate and fibrous linings for purifying and warming the air in its passage, have been mysteriously constructed, and designed to stand guard over the lungs.”

– George Caitlin (1864), The Breath of Life

 
 
 
 

1 ANSWER

Answer: The internal surface area of these organs can be a great a 100 sq. meters, about half the size of a tennis court.

…

(Cue the Jeopardy! music.)

…

Question: What are the lungs?

In good breath,
Nick

P.S. No I need these

 
 

Breathing’s Indirect and Unseen Benefits

 

Welcome to another edition of The Breathing 411:

Here are 4 thoughts, 1 quote, and 1 answer for you to consider this week. Enjoy!

 
 
 
 

4 THOUGHTS


1. The Science of Breathing’s Indirect Benefits

Last week we learned that breathing is the only true compounding health habit. However, I believe the real magic occurs when breathing begins improving other areas of our lives. I’ve never had a reasonable explanation for these "indirect effects." They just seemed to happen. But now I do, thanks to Tiny Habits.

In this excellent book, behavioral scientist BJ Fogg shows us how tiny changes in one area of your life can lead to massive changes in others. It all comes down to a simple equation: B = MAP

A Behavior happens when Motivation, Ability, and a Prompt all come together. Makes sense. But the significant breakthrough Fogg discovered is the curved (nonlinear) relationship for when action occurs (adapted from his book below):

Befor_and_After.jpg

In this hypothetical example, we see how a breathing practice might help you exercise by increasing your motivation and physical ability (e.g., better sleep and oxygenation). The exercise prompt is now above the action line, and you exercise.

This is behavioral science, not physics. So there are no exact numbers for "motivation" or "ability." It will be unique from person-to-person. But this is where the real magic of compounding occurs. We move beyond just breathing, and begin fulfilling our own individual goals and ambitions.

P.S. Some examples from my life:

  • Walking 100 miles.

  • Having more energy to manage my diabetes.

  • Waking up before 4 a.m. every day for breathing research.

2. Health is What You Don’t See

"But the truth is that wealth is what you don't see. Wealth is the nice cars not purchased. The diamonds not bought. The watches not worn, the clothes forgone and the first-class upgrade declined."

- Morgan Housel, The Psychology of Money

Similarly, health is what you don’t see. It’s the cold you didn’t get, the late night you didn’t have, the stress you didn’t experience, the breathlessness you didn’t have after a brisk walk to catch your flight.

This is why the benefits of a long-term breathing practice might not be immediately apparent. You can’t measure the number of health issues that breathing helped you avoid. But that makes them no less important.


3. Longer Exhalations Are An Easy Way to Hack Your Vagus Nerve

"Just two minutes of deep breathing with longer exhalation engages the vagus nerve, increases HRV, and improves decision-making."

- Christopher Bergland, Psychology Today

Here’s another gem from Psychology Today on slow breathing, stress, and the vagus nerve. I may or may not have visualized "squirting some stress-busting vagusstoff" onto my heart when I took my next slow breath : )

4. Breath Matching

Rather than focus on any specific method, focus on your goals: to reduce anxiety, to increase focus, to improve autonomic function, to fall asleep, and on and on.

Then, based on those aspirations, find the right match. For combatting anxiety, you might choose extended exhales. For focus, you might pick box breathing.

But it’s not about the method; it’s about the outcome you wish to experience.

 
 
 
 

1 QUOTE

"Life and respiration are complementary. There is nothing living which does not breathe nor anything breathing which does not live."

- William Harvey, 1653, Lectures on the Whole of Anatomy

 
 
 
 

1 ANSWER

Answer: More than 60% of primary care physician visits are related to this condition.

…

(Cue the Jeopardy! music.)

…

Question: What is stress?

In good breath,
Nick

P.S. Really made me stop and think

 
 

Smiling and the Warren Buffets of Breathing

 

Greetings,

Here are 4 thoughts, 1 quote, and 1 answer to consider this week. Enjoy!

 
 
 
 

4 THOUGHTS

1. Breathing is the Only True Compounding Health Benefit

"Growth is driven by compounding, which always takes time."

- Morgan Housel, The Psychology of Money

Many investors are better than Warren Buffet. But did you know he bought his first stock when he was 11 years old? It’s not as exciting to talk about, but a large portion of his success is simply due to how long he’s been investing.

This is because compounding always takes time. And, just as importantly, it always takes consistency. If Buffet jumped in and out of stocks or randomly took time off, he might not have achieved his success. It took time and consistency.

These factors are also why breathing is the only real compounding health benefit. Most of us won’t stick to one health routine as long as Buffet has stuck with investing. It’s natural to try new workouts, start a new diet, and on and on.

But we’ll always be breathing. If we invest in simple changes like nose breathing 24/7, the benefits will compound (literally) for the rest of our life. Time becomes our friend. Since we will always be breathing, we will always be compounding.

2. Nasal Breathing, Smiling, and The Power of Compounding

"All these methods trained children to breathe through their noses, all day, every day. It was a habit they would carry with them the rest of their lives."

- James Nestor, Breath

In Breath, James Nestor describes tribal people with perfectly straight teeth, free of chronic illnesses, and who rarely got sick. Their secret? Nasal breathing.

This was not just any nasal breathing, though. It was a lifetime of nasal breathing. Nestor tells us that mothers would stand over their sleeping babies and close their mouths if needed. They even resisted smiling (!?!) with their mouths open.

This was compounding at its best. Nose breathing was in their genes, and it was passed down from generation to generation for millennia. The result, as Nestor recounts, was seemingly "superhuman physical characteristics" and perfect health. These tribal people were the Warren Buffets of nose breathing.

3. Diaphragmatic Breathing Exercises and Your Vagus Nerve

"When it comes to effective vagal maneuvers, any type of deep, slow diaphragmatic breathing…is going to stimulate your vagus nerve, activate your parasympathetic nervous system, and improve your HRV."

- Psychology Today
Diaphragmatic Breathing Exercises and Your Vagus Nerve

I basically highlighted this entire article : ) But what I appreciated most was the author sharing how he uses diaphragmatic breathing in a practical and straightforward way.

Enjoy stimulating your vagus nerve more today!

4. Become A Breathing Genius

"A genius is the man who can do the average thing when everyone else around him is losing his mind." – Napoleon

If you want to be a breathing genius, breathe averagely—nasal, slow, low—in stressful situations. Or David Bidler says, we don’t need more complicated breathing techniques; we need to apply simple ones to harder challenges. 

Give it a shot today when you inevitably find yourself in a stressful situation.

 
 
 
 

1 QUOTE

"Those of us who practice breathing exercises today may well pass on more disease resistant genes to our descendants tomorrow."

- Michael J. Stephen MD, Breath Taking

 
 
 
 

1 ANSWER

Answer: This fish can breathe through its gills in water and through its skin and mouth lining on land.

…

(Cue the Jeopardy! music.)

…

Question: What is a mudskipper?