Why do humans sweat while stressed?

Read also:

• What can you do if you are a full-grown adult, but never experienced being a child?
• Why, after a divorce, would one still want to ruin the other one’s life?
• How can I move on from my ex?
• How long will it take Christian president-elect Donald J. Trump to restore our nation's moral values?
• The doctor said 'be happy.' Music therapy can help cancer patients do that - NPR
• Why do people stop working towards achieving their dreams?
• Why are Republican politicians so afraid to oppose Trump?
• Why do companies cull employees during financial downturns without saying so?
• Why is rap* a crime?
• What are some effective strategies for getting more upvotes on Quora?
• I’m worried I have a bat bite on my hand, I have two small marks about 1 cm apart. I haven’t been in contact with a bat but I’m worried about at night. My fingers have a slight tingling sensation and my arm feels cold but isn’t. Am I ok?
• Dark matter 'lampshades' dimming stars could solve one of the greatest scientific mysteries - Space
• What should I do to get over a relationship?
• What steps have you taken to stop being a targeted individual by gang stalkers? What has worked, what would you have done differently?