Why do humans sweat while stressed?

Read also:

• What made you feel satisfied about your life today?
• Is it possible to make cars that run on water instead of gasoline or other fossil fuels? Why haven't we done so yet?
• Islam is definitely a very anti-LGBTQ religion, so why don't liberals ever stage pro-LGBTQ demonstrations at mosques or at the consulates/embassies of Muslim countries?
• Adopting the MIND Diet May Lower Dementia Risk at Any Age - Neuroscience News
• How was cancer treatment different in the US and the UK?
• Scientists Are Close to Replicating the First Living Thing - Yahoo
• Why do I sweat (mostly on face) when I eat usually spicy food?
• Pokémon Cafes To Serve Incredible-Looking Plate Of Food That Can Mega Evolve Before Your Eyes - Kotaku
• Watch an asteroid the size of an aircraft carrier make a close pass of Earth on June 5 - Space
• 50 Cent Pledges to Prevent a Trump Pardon for Sean Combs: ‘I’m Gonna Reach Out’ - Rolling Stone