Why do humans sweat while stressed?

Read also:

• That whole wheat bread you've been eating is often a trap - it's not what you think it is - Earth.com
• Who is the greatest light welterweight boxer of all time?
• If all the American hundred millionaires and billionaires chipped in a modest 10% of their net worth to provide affordable housing to homeless families and other down and out persons, (like veterans), would this address the housing crisis?
• Switch, Xbox, and the portable future of games - The Verge
• Why would Trump make conspiracy claims that Haitians are eating pets in Ohio?
• Why do some films seem to date/age so badly?
• UFC on ABC 8 live updates: Results, round-by-round coverage of every fight from Baku - MMA Junkie
• Do older women know what they want?
• The #1 High-Protein Snack for Better Blood Sugar, According to a Dietitian - EatingWell
• Can a dental anesthesia injection cause nerve damage? After receiving an injection in my gums I felt a sharp tingle going from the gum to my lower lip, and now sometimes I get a bit of itchiness and discomfort in my lower lip. What is it?