James Nestor is a journalist who has written for Outside magazine, Men's Journal, Scientific American, Dwell magazine, National Public Radio, The New York Times, The Atlantic, the San Francisco Chronicle magazine, and others. His new book Breath: The New Science of a Lost Art is available now: https://www.amazon.com/Breath-New-Science-Lost-Art/dp/0735213615 Learn more about your ad choices. Visit podcastchoices.com/adchoices