Why do people blush?

Blushing from embarrassment is governed by the sympathetic nervous system, which governs involuntary processes. Although we know how people blush, we still don't understand why. Check out the theories of blushing in our HowStuffWorks article. Learn more about your ad-choices at https://www.iheartpodcastnetwork.comSee omnystudio.com/listener for privacy information.