- Cannabis users under 50 face over sixfold increased heart attack risk vs. non-users
- Meta-analysis shows 50% higher heart attack risk for cannabis users
- Studies also link cannabis use to increased stroke, heart failure, and cardiovascular death
- Researchers urge clinicians to screen for cannabis use in cardiovascular risk assessment
- Potential mechanisms include heart rhythm disruption and endothelial dysfunction
- Retrospective study and meta-analysis limitations call for prospective research
- Risk peaks about one hour after cannabis consumption
- Daily marijuana use previously linked to higher coronary artery disease risk