Some Teens Pre-Wired for Addiction

published Mon, Apr 30 2012 06:01 GMT
By Dr. Christopher Tokin Babies instinctively clutch on fingers and seek out their mother’s voice.  For many, it takes little effort to understand the difference between laughter and anger. But how instinctive is a teen’s desire to snort a line of coke? In the largest...

Click for more articles from abcnews.go.com