NPR – On why nose breathing is better than mouth breathing – “The nose filters, heats and treats raw air. Most of us know that. But so many of us don’t realize — at least I didn’t realize — how [inhaling through the nose] can trigger different hormones to flood into our bodies, how it can lower our blood pressure … how it monitors heart rate … even helps store memories. So it’s this incredible organ that … orchestrates innumerable functions in our body to keep us balanced…”