These articles discusses how teens are more prone to foolish and risky behavior around peers:
http://jezebel.com/#!5751782/friends-make-teenagers-do-dumb-things
http://www.latimes.com/health/la-he-the-md-teens-friends-20110411,0,6084524.story
And yet new research showing that just as teens encounter more peer pressure, their brains become more able to resist bad behavior choices:
