Cannabis Use and Heart Attack Risk: What the Evidence Actually Shows
Pre-clinical research and case reports have linked cannabis to heart attacks since the 1970s, but the association likely depends on specific use patterns and consumer characteristics that current studies rarely capture.
Quick Facts
What This Study Found
The link between cannabis use and myocardial infarction may be specific to certain types of cannabis, patterns of use, and user characteristics. However, most meta-analyses can only compare "use vs. no use" because studies rarely capture the complexity of modern consumption patterns.
Key Numbers
The cannabis-MI link has been documented since the 1970s. Most meta-analyses rely on binary categorizations of use vs. no use.
How They Did This
Narrative review and editorial commentary examining the evidence base linking cannabis use to myocardial infarction, identifying gaps in current research methodology.
Why This Research Matters
Cannabis-related cardiovascular events are considered rare but can be serious, especially in younger patients without typical cardiac risk factors. The review highlights that current evidence is too coarse to identify exactly who is at risk and under what circumstances.
The Bigger Picture
As cannabis use increases and products diversify in potency and delivery method, understanding cardiovascular risk requires research that goes beyond simple "user vs. non-user" comparisons. Young, otherwise healthy patients presenting with chest pain and recent cannabis use may warrant closer cardiac evaluation.
What This Study Doesn't Tell Us
This is a narrative review and editorial commentary, not a systematic review. It identifies research gaps rather than providing new quantitative data.
Questions This Raises
- ?Which specific cannabis products or consumption methods carry the highest cardiovascular risk?
- ?Is the risk dose-dependent?
- ?Do edibles carry different cardiovascular risk than smoked cannabis?
Trust & Context
- Key Stat:
- Cannabis-MI link documented since the 1970s but poorly characterized
- Evidence Grade:
- Moderate evidence overall for the cannabis-MI association based on accumulated case reports and pre-clinical data, though the review itself identifies major gaps in study quality.
- Study Age:
- 2025 editorial reviewing evidence accumulated over 50+ years.
- Original Title:
- Rare but relevant: Cannabis use and myocardial infarction.
- Published In:
- Addiction (Abingdon, England), 120(12), 2580-2584 (2025)
- Authors:
- Padmanathan, Prianka, Roberts, Emmert(3)
- Database ID:
- RTHC-07295
Evidence Hierarchy
Summarizes existing research without a strict systematic method.
What do these levels mean? →Frequently Asked Questions
Can cannabis cause a heart attack?
Case reports and pre-clinical research have linked cannabis to heart attacks, but the association appears to depend on the type of cannabis, pattern of use, and individual characteristics. The evidence is not yet strong enough to confirm a definitive causal link.
Who might be most at risk?
Young, otherwise healthy individuals presenting with chest pain after recent cannabis use may be at particular risk. However, research has not yet identified specific risk profiles with precision.
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Cite This Study
https://rethinkthc.com/research/RTHC-07295APA
Padmanathan, Prianka; Roberts, Emmert. (2025). Rare but relevant: Cannabis use and myocardial infarction.. Addiction (Abingdon, England), 120(12), 2580-2584. https://doi.org/10.1111/add.70128
MLA
Padmanathan, Prianka, et al. "Rare but relevant: Cannabis use and myocardial infarction.." Addiction (Abingdon, 2025. https://doi.org/10.1111/add.70128
RethinkTHC
RethinkTHC Research Database. "Rare but relevant: Cannabis use and myocardial infarction." RTHC-07295. Retrieved from https://rethinkthc.com/research/padmanathan-2025-rare-but-relevant-cannabis
Access the Original Study
Study data sourced from PubMed, a service of the U.S. National Library of Medicine, National Institutes of Health.
This study breakdown was produced by the RethinkTHC research team. We analyze and report published research findings without making health recommendations. All interpretations are based solely on the published abstract and study data.