Cannabis tied to severe heart attack risk in younger adults

Researchers examined data from 2010-2014 on 1,694 patients ages 15 to 22 who were hospitalized for heart attacks, plus almost 9.4 million patients this age who were hospitalized for other reasons.Overall, the risk of a heart attack hospitalization was 3.9 times higher for cocaine users, 2.3 times higher for amphetamine users, and 30% higher for cannabis users than for non-users of these drugs.Cannabis is considered by many people to have a low medical risk, "despite growing evidence of significa