controlled substances

Why US life expectancy still on decline

Life expectancy at birth -- the average length of time that you are expected to live -- continues to drop for Americans, a new study finds. Drug overdoses, suicides, alcohol-related illnesses and obesity are largely to blame. These problems have been building since the 1980s, according to the study's authors.

Studies: Regular pot use raises risk of youth heart problems

Younger people with cannabis use disorder are at an increased risk of heart rhythm problems, according to a new presentation at the American Heart Association Scientific Sessions. A second presentation says that young people who use weed frequently are at a higher risk for stroke.