Why do humans sweat while stressed?

Read also:

• Famous 'ice-age puppies' are not actually dogs, according to new study - Earth.com
• Loneliness is bad for your health—but it may not be as deadly as once thought, new research finds - AOL.com
• Why do I have an itch in my labia, white gooey and thick discharge which doesn't have a smell but my vagina does sometimes and both me and my partner do not have STDs, what is it?
• What will the legacy of Jimmy Carter be in light of his death today at 100?
• What are tips for weight loss?
• My wife has a bunch of really attractive friends, and she expects me to never say anything to her about how beautiful they are. Does this seem fair? I love my wife, and just commenting shouldn’t hurt anything, right?
• What is the top-rated beach resort in Bali, Indonesia according to TripAdvisor reviews?
• Can a mother forget her child after she puts him or her up for adoption?
• How do you say "I don't speak French yet, but I hope to speak it well one day. It would be a pleasure to learn French with you. Would you like to teach me French?" in French? Could you add audio?
• What are some signs that someone may be being stalked by an organization or secret society? How can they find out for sure?