Is it possible that mouth breathing has contributed to, and exacerbated, numerous health conditions? New York Times bestselling author James Nestor wants to convert you into a nose breather. He spent years in laboratories and ancient burial sites, working with researchers at Stanford, University of Pennsylvania, and other institutions to figure out what went wrong with our breathing—and how to fix it.  This episode sponsored by:    Yomassage   Anatomy Trains   Guest:     James Nestor   FAQs and breathing advice   Breathing videos