CDC: One-third of high school students text when driving

>>> tv viewers may remember the ominous public service announcement from years back. it's 10:00 p.m . do you know where your children are? well, these days, perhaps the question should be, do you know what your children are doing. every few years thrk centers for disease control surveyed this country's high school students about some of the risks they take on a regular basis, the kind of things parents suspect and fear the most. and tom costello has our report.

>> if i could take it back, i would take it back.

>> in massachusetts, 18-year-old aaron deveaux is sentenced tory yien jail for texting while driving and killing a 55-year-old father of three. now a cdc survey on risky behavior finds a third of all high schoolers admitting that texted or e-mailed while driving in the past 30 days .

>> it's frustrating while we're making great progress in increasing seat belt use and dekreising kids driving while drinking, other things pop up in their place.

>> other findings, the number of kids smoking cigarettes hasn't changed in 18 years, but more kids are regularly smoking marijuana, 23%. and while viewer kids are drinking alcohol , nearly 21% had taken prescription drugs without a prescription. it's no surprise to teen and adolescent psychiatrist.

>> drugs and alcohol are being used by the straight-a students and the captain of the football team .

>> experts say so much of the abuse is a sign of the tines. with so much pressure at home, at school, and online.

>> 15.8% of students had they had considered suicide. nearly 8% had attempted it. a third were sexually active, a third had been involved in a fight at school. 20% said they had been bullied.

>> some of this has to deal with the complexities of being a teenager.

>> teen stress and the risky behavior it can lead to.