**Sweat was a vital component of our raise to the top of the food chain.** Sweat allows us to cool. Which enables distance running. Which enables our hunting which enables us to grow bigger brains. Sweat is 99.5% water. The palms and other hairless parts of your body don’t sweat due to heat, but DO sweat when you’re using adrenaline. **** # More ## Source - [[The Body (book)]] ## Related - [[Anticipatory Anxiety]] - [[History of Cooling]]