Alcoholics' Relapses Better Understood (HealthDay)
HealthDay - WEDNESDAY, March 10 (HealthDay News) -- U.S. scientists say they've learned new details about molecular mechanisms associated with alcohol addiction and relapse. The findings could lead to new treatments for alcoholism.

Longtime Pot Smoking May Raise Psychosis Risk
Young adults who are longtime pot smokers are more likely to display signs of psychosis than short-term smokers or people who've never smoked marijuana.