. >> in massachusetts, 18-year-old aaron deveaux is sentenced to a year in 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 over the previous 30 days. >> it's frustrating while we're making great progress in increasing seat belt use and reducing the number of kids who are driving while drinking, other safety issues pop up in their place, related to new technology. >> other findings, the number of kids smoking cigarettes hasn't changed much in recent years. about 16%, but more kids are regularly smoking marijuana, 23%. and while fewer kids are drinking alcohol, nearly 21% had taken prescription drugs without a prescription. it's no surprise to teen and adolescent psychiatrist. dr. josh winer. >> it's not just the bad kids using drugs and alcohol. 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 times. with high schoolers under so much pressure at s