Topic: Nora Volkow
A new survey shows that marijuana use among teens continues to rise – and outstrips cigarette use – thanks to the increasing perception that pot is not harmful.
A new survey of US teens found that nearly 23 percent of 12th graders used marijuana over the last month, compared with 18.7 percent who said they smoked cigarettes.
12/14/2011 04:50 pm
Cell phone radiation has been proven to alter brain activity. But it's not clear if it's dangerous. Try an earphone?
02/25/2011 11:24 pm
Marijuana use among American teens is up, but binge drinking is down, says a federal 2010 survey on drug use among teenagers. For the first time, marijuana use has passed cigarette use in the survey.
12/14/2010 05:26 pm
Multitasking on smartphones, iPads, and the Mobile Web makes some feel smarter and others just more scattered. Is it changing how we think?
07/24/2010 03:00 pm
Adults are taking stimulants like Ritalin and Adderall, normally used to treat serious medical conditions, to boost their concentration and job performance. Critics ask: Is it making Americans too dependent on their medicine cabinets?
05/15/2009 01:00 am
Teens can now get marijuana and prescription drugs more easily than last year. But drug usage is not up.
08/15/2008 01:00 am