The evidence
A pooled analysis of 24 observational studies led by Wilhelm Storck found that cannabis use was associated with a twofold increase in cardiovascular deaths and higher risks of acute coronary syndrome and stroke.
The review drew on data published between 2016 and 2023 and covered roughly 200 million people in multiple countries. Heart
What researchers sayThe paper's authors call for routine assessment of cannabis exposure in patients who present with serious heart or stroke problems, noting limitations in how past studies measured dose and product type.