Initiating heavy drinking of alcohol during adolescence appears to alter normal brain development, s...

People who use marijuana may be at a greater risk of misusing prescription opioids and developing op...

The Food and Drug Administration last week announced that it has cleared the first mobile app to hel...

A study published today in JAMA Pediatrics has found that marijuana use increased and the perceived ...

A prospective analysis of the results of a survey of U.S. adults suggests marijuana use may be assoc...

State laws that permit medical use of marijuana do not appear to have caused an increase in adolesce...