Why some people love the burn of hot chili peppers

http://bodyodd.nbcnews.com/_news/2013/02/26/17104685-why-some-people-love-the-burn-of-hot-chili-peppers?lite

By Tia Ghose
Feb. 26, 2013

Pain isn't always a pain. Sometimes it can actually feel good.

People experience pleasure during a painful stimulus if the stimulus turns out to be less bad than they were expecting, new research suggests.

-----