Why do humans sweat while stressed?

Read also:

• So I’m getting piano lessons and my teacher wants me to get an upright piano instead of a keyboard. An upright piano is way above my price range, so what do I do? And what’s the difference between an upright piano and a keyboard?
• Why are you bare-nakedly displaying your anti-Trump bias while ignoring the liberals' destruction of the US? I am now blocking your e-mails because of your biased articles.
• Why do narcissists want to hurt your feelings, even after they discard you?
• What are the most significant instances of romantic jealousy in the Harry Potter series?
• What is a good habit and what is bad one?
• If you were president, how would you make America "great again?"
• Is depression a cause for always feeling tired?
• Watch These Intel Price Levels After Stock Surged 8% Tuesday to Lead S&P 500 Gainers - Investopedia
• What is some information about unprotected sex and pregnancy?
• What are your darkest taboo confessions?
• Why doesn't California have the tools, people, means to put out these fires even though they know there will be fires every year?