Marijuana can’t seem to stay out of trouble. After a long, ambiguous history featuring both the good and the bad, pot just got some devastating news. Recent test results showed it can affect long-term ...

In recent years, weed use among U.S. adults has reached an all-time high. While many laud this drug as safe, natural, and even medicinal, a growing body of evidence suggests it contributes to adverse ...

Teens don't have to use weed all that often for it to have a negative effect on their lives, according to a new study. Even using marijuana once or twice a month is linked with worse school ...

Recent studies suggest marijuana use in adolescents may impair long-term brain development and lower IQ. Marijuana is approved for medical use in 42 states and some form of recreational use in 25 ...