Breathing for better health with James Nestor

In this episode of Ancestral Health Today, we bring you a conversation with James Nestor. James Nestor is a science journalist and author of the bestselling book Breath, which was on the New York Times bestseller list for 18 weeks, and won the a 2020 prize for Best General Nonfiction.  James also wrote a book on free divers who test their limits by diving to the ocean floor without oxygen tanks, and he's published articles in Scientific American, The New York Times, The Atlantic, and Surfer's Journal.  He suffered from some respiratory conditions and spoke to medical researchers, athletic trainers, and practitioners of different religious and meditative traditions, trying to understand the connection between breathing and health. James spoke at the Ancestral Health Symposium conferences in 2021 and 2022.In today's episode, we start by covering the physiology of breathing and how it influences oxygen, carbon dioxide and the autonomic nervous system.  We'll get into some physiological experiments that James and a colleague took part in with leading doctors at Stanford, and how changing breathing lowered blood pressure, reversed apnea and other health issues.  We'll then look the how the changes in diet and lifestyle in modern society has actually changed the shape of the human skull and our airways, impairing our ability to breath correctly.  Finally, we'll look at some advanced breathing practices that can improve health and combat anxiety.For more information on the science and practice of breathing for better health, please visit his website, mrjamesnestor.com 00:00 Introduction02:00 Slow breathing is healthy, increases carbon dioxide07:14 What is a good rate of breathing?10:14 Nose breathing12:19 Nitric oxide, cardiovascular health14:41 Self-experiments with mouth breathing vs nose-breathing, sleep apnea, mouth tape23:34 Steps on exhale as measuring lung capacity30:07 Did we evolve to breathe optimally?32:41 Modern industrial lifestyle alters skull shape39:44 Chewing stress affects skull shape43:28 Can we fix airways later in life?46:18 Innovative pediatric dentists48:39 Tumo/Wim Hof method53:19 Justin Feinstein, deliberate boosting CO2 for health56:15 Carbon dioxide in environments, indoors58:12 Conclusion This is a public episode. If you would like to discuss this with other subscribers or get access to bonus episodes, visit ancestralhealth.substack.com

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