Take a big inhale through your nose. Now, exhale. Breathing may seem simple, but it's controlled by a complex brain network. Each inhale gives the human brain information about the external world. And now, a new research paper in the journal Current Biology suggests that humans have unique breathing patterns, almost like nasal "fingerprints." Not only that: These unique breathing patterns seem to say a lot about people's physical and mental health.Questions about the science behind your brain and body? Email us at shortwave@npr.org – we'd love to hear your ideas!Listen to Short Wave on Spotify and Apple Podcasts.Learn more about sponsor message choices: podcastchoices.com/adchoicesNPR Privacy Policy