Some links to help parents understand teen behavior:
http://www.huffingtonpost.com/delia-lloyd/teenagers_b_824218.html
http://www.suite101.com/content/how-to-understand-and-raise-responsible-teenagers-a356425
http://www.squidoo.com/why-teens-like-to-explore-bad-habits
http://www.dnj.com/article/20110222/LIFESTYLE/102220302
http://muslimmatters.org/2011/02/23/how-to-respect-your-teens-privacy/