Sweat

"Sweat can get a bad rap, but it is a normal function that keeps the body cool and acts as a subtle—and sometimes not so subtle—way of communication."https://www.the-scientist.com/hot-sweat-vs-cold-sweat-what-s-the-difference-73228?utm_source=join1440&utm_medium=email&utm_placement=newsletter&user_id=66c4c92f5d78644b3ac5d5b4