Home testing kits are helping parents of addicts detect proof of substance abuse

The National Center on Addiction and Substance Abuse at Columbia University polled 1,002 teenagers and 312 parents for its 13th annual back-to-school survey.

For the first time, "more teens said prescription drugs were easier to buy than beer,” the report notes.

•46 percent said painkillers are the most abused prescription drugs.

•Teenagers most often get prescription drugs from home, parents or the medicine cabinet (34 percent), followed by friends or classmates (31 percent), "other” (16 percent) and drug dealers (9 percent).