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Cannabis users face substantially higher risk of heart attack (2025)


marijuana use increases, so does evidence showing it harms the heart Contact: Nicole Napoli, nnapoli@acc.org, WASHINGTON (Mar 18, 2025) - Marijuana is now legal in many places, but is it safe? Two new studies add to mounting evidence that people who use cannabis are more likely to suffer a heart attack than people who do not use the drug, even among younger and otherwise healthy adults. The findings are from a retrospective study of over 4.6 million people published in JACC Advances and a meta-analysis of 12 previously published studies being presented at the American College of Cardiology's Annual Scientific Session (ACC.25).

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