Biology & Physiology
Why Do We Sweat?
Sweat cools you down through evaporation. But not all sweating is about heat. Stress sweat comes from different glands and serves an entirely different purpose.
sweatthermoregulation
Biology & Psychology
Why Do We Sigh?
Sighing resets collapsed lung sacs and also functions as an emotional pressure valve. It happens automatically about 12 times an hour even when you feel nothing.
sighingbreathing