Two years ago, I published a nine-part series, "The Vagus Nerve Survival Guide to Combat Fight-or-Flight Urges." The genesis came from an "Aha!" moment when I noticed a pattern of diverse scientific ...

For over a century, scientists believed that light, focus distance, and cognitive effort were the main forces behind changes in pupil size. But a new discovery adds breathing to that list. Researchers ...

Accessory muscle breathing means using muscles other than those typically used for breathing to take in and expel air. One example is the subclavius — between the collarbone and the top rib — which ...