| Hi friends, | Welcome to the 48th dispatch of How Humans Flourish, a research-informed newsletter on how humans thrive. | Over the last few months, I've been captivated by New York Times bestseller Breath: The New Science of a Lost Art by James Nestor. His book unpacks a truth so simple and profound it feels almost radical: how we breathe impacts everything—from our energy and mental clarity to our resilience. | For thousands of years, civilizations across the globe treated breathing as an art and a science. Ancient Taoist texts from 400 BCE dedicated volumes to the life-giving and potentially life-taking properties of breath. Hindu traditions equated breath with spirit, embedding its regulation into practices that balance physical and mental health. Buddhists leveraged breathing to access higher states of consciousness and extend their lifespans. | These practices recognized something profound: how we breathe shapes how we live. Modern freedivers who can hold their breath for over eight minutes echo this belief, demonstrating how intentional breathing unlocks superhuman abilities and sharpens our mental and physical edge. | Today, most of us treat breathing as an afterthought—something automatic and unconscious. But as Nestor reveals, the way we breathe has far-reaching consequences, many of which are hidden in plain sight. | The Forgotten Power of Breath | Dr. Jayakar Nayak, Chief of Rhinology Research at Stanford University, calls the neglect of nasal breathing "absurd." Despite its central role in filtering air, regulating oxygen, and supporting overall health, the nose is rarely studied in modern medicine. Meanwhile, nearly 40% of the population suffers from chronic nasal obstruction, contributing to snoring, sleep apnea, and even mood disorders. | The issue runs deeper than clogged sinuses. According to Harvard biologist Dr. Daniel Lieberman, human evolution has led to narrower airways and smaller jaws, making it harder for us to breathe. Lieberman calls this process "dysevolution"—a shift where modern adaptations, like processed diets, have compromised our respiratory health. | Orthodontist Dr. Marianna Evans adds another layer to this story. In her research on ancient skulls, she found that our ancestors had wide nasal passages, strong jaws, and perfectly aligned teeth, all of which supported efficient breathing. In contrast, modern skulls reveal a litany of respiratory challenges: crooked teeth, recessed jaws, and narrow nasal cavities. As Evans puts it, "Why would we evolve to make ourselves sick?" | Breathing to Heal | Nestor writes, "Ninety percent of children have acquired some degree of deformity in their mouths and noses. Forty-five percent of adults snore occasionally when sleeping, and a quarter of the population snores constantly. Twenty-five percent of American adults over 30 choke on themselves because of sleep apnea; and an estimated 80 percent of moderate or severe cases are undiagnosed. Meanwhile, the majority of the population suffers from some form of breathing difficulty or resistance." | Here's the hopeful part: intentional breathing can reverse much of this damage. Nestor shares the work of Dr. John Douillard, a trainer for elite athletes, who found that nasal breathing during exercise reduces exertion and boosts endurance. In one study, athletes who switched from mouthbreathing to nasal breathing cut their breath rate in half and maintained steady heart rates, even at peak exertion. | Modern science is catching up to what ancient traditions have long understood: how we breathe can strengthen our bodies, balance our minds, and even extend our lives. Nestor writes, "No matter what we eat, how much we exercise, how resilient our genes are, how skinny or young or wise we are—none of it will matter unless we're breathing correctly." | A Simple Invitation | All this month we'll explore the lost art and science of breathing, but for this week, I invite you to notice your breath. Are you breathing through your nose or your mouth? Is it shallow or deep? Small adjustments can make a big difference. | Breathing is more than a reflex. It's a bridge to better health and a more intentional life. Let's treat it as such. | With gratitude, | | P.s. How Humans Flourish is a dedicated project nurtured with love and intention. Since it began, break*through's mission has been to keep it a thoughtful, ad-free space for exploration and reflection on human potential, supported by a community of readers like you. The research, writing, and upkeep requires time and resources to sustain, and I'm committed to keeping it a sanctuary free of commercial distractions. | If How Humans Flourish brings you joy, insight, or comfort, please consider making a contribution—whatever you're able to offer makes a significant difference. | You can become a Sustaining Patron, joining a circle of monthly loyal supporters or you can make a one-time donation ensuring this space remains a thoughtful resource for years to come. | | | | | Tech founder working to leave the world better than I found it. Currently building break*through, an innovations company pioneering empathy-driven technology. | Our first digital product designs AI driven, gamified virtual support groups that increase emotional, mental, and physical health literacy. | Want to connect? Reach out on LinkedIn or Instagram. |
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