and heidi riggs' daughter died of a heroin overdose. marin was a high school basketball player and captain of her golf team. lea heidman and brian malone's daughter alyssa died of an overdose last year. brenda stewart has two sons in recovery. tracy morrison is jenna morrison's mother, and has a second daughter who is also a recovering addict. >> rob brandt: he battled it through high school. >> whitaker: he says his son robby got hooked on pain pills prescribed by a dentist after his wisdom teeth were removed. he was in training with the national guard, hoping to serve in afghanistan. >> brandt: and when he came home, he met up with an old friend that he used to buy and sell prescription medications with, and that old friend introduced him to heroin. and we did the... we did rehab, we did relapse, we did rehab, and he got clean. but the drug called his name and that was the last time and he passed from an accidental overdose. >> whitaker: for many of these parents, the hardest thing to accept was losing their children after they though

. >> tj and heidi riggs daughter died of a heroin overdose. a high school basketball player and captain of her golf team. daughter alyssa died of overdose last year. brenda stewart has two sons in recovery. tracy morrison is jenna morrison's mother and has a second daughter who also is a recovering addict. rob brandt's son was an addict. >> he battled through high school. >> he says his son robbie got hooked on pain pills prescribed by a dentist after his wisdom teeth were removed. he was in training with the national guard hoping to serve in afghanistan. >> when he came up with an old friend he used to buy and sell prescription medications with. that old friend introduced him to heroin. we did, we did rehab the redid relapse. we did rehab. he got clean. but of the drug called his name again. and he said yes. and that was the last time and he passed from an accidental overdose. >> to watch the full report. go to cbsnews.com and click on >>> after decade of being the unpopular choice on the menu, veggieburgers are making a come back. many peopl