US teens drinking less, doing fewer drugs, study says
A look inside the brain of a 29-year-old drug user
Popular nude beach shut down for illicit sex and drug use
Cocaine makes your brain cells eat themselves
Crack Babies Grew Up OK; It's Poverty That's the Real Problem
Parents Have Bigger Things to Worry About Than MTV's Racy 'Skins'
People@Work: Hard Times Haven't Made Workers Any Smarter
Use of illegal drugs among aging could hurt productivity