Adults under 50 who use marijuana may face a significantly higher risk of heart attack, according to a study published in the Journal of the American College of Cardiology (JACC). Researchers analyzed data from more than 4.6 million adults and found that individuals under 50 who use cannabis were more than six times as likely to suffer a heart attack compared to non-users. The study also found that those who use cannabis are four times more likely to experience an ischemic stroke, three times mo