A new study from Georgia State University reveals that marijuana users may face a 3.42 times higher risk of dying from high blood pressure compared to non-users. The research suggests that cannabis stimulates the sympathetic nervous system, increasing heart rate and blood pressure, which can be particularly dangerous for those with existing cardiovascular conditions.
Key Takeaways:
- Increased Mortality: Marijuana users are over 3x more likely to die from hypertension.
- Cumulative Risk: Each year of use raises the risk by approximately 4%.
- Worse than Cigarettes? The study found a stronger link to hypertension death for cannabis than for smoking.
- Mechanism: Cannabis activates the body's stress response, straining the heart.
Scientists at Georgia State University have confirmed a troubling link between marijuana use and fatal cardiovascular complications. This development occurs amidst the growing legalization and social acceptance of cannabis, directly resulting in urgent warnings for users with heart conditions or high blood pressure.
The Hidden Danger to Heart Health
While often perceived as a safer, natural alternative to alcohol or tobacco, marijuana may carry severe risks for the cardiovascular system. The study, published in the European Journal of Preventive Cardiology, analyzed data from over 1,200 adults aged 20 and older.
The findings were stark: marijuana users were found to be 3.42 times more likely to die from high blood pressure than non-users. Surprisingly, this risk appeared even greater than that associated with cigarette smoking, a habit long established as a primary enemy of heart health.
How Marijuana Affects the Body
The researchers explained the physiological impact that drives this increased risk. Marijuana use stimulates the sympathetic nervous system—essentially the body's "fight or flight" response.
| Physiological Effect | Potential Consequence |
|---|---|
| Increased Heart Rate | Greater oxygen demand by the heart muscle. |
| Elevated Blood Pressure | Strain on arterial walls and increased hypertension risk. |
| Sympathetic Activation | Potential for arrhythmias and acute cardiac events. |
Emergency rooms have previously reported cases of chest pain and heart attacks shortly after cannabis use. This study adds a long-term dimension to those acute risks, suggesting that the effects on blood pressure can accumulate over time.
Cumulative Risk Over Time
The study found that the duration of use matters. For every additional year of marijuana use, the risk of death related to high blood pressure increased by about 4%. On average, users in the study had been consuming cannabis for 11.5 years.
Lead researcher Barbara A. Yankey emphasized that while not every user will develop heart problems, the drug is not harmless. The findings serve as a critical wake-up call, particularly for individuals who already suffer from hypertension or are at risk for heart disease. As recreational use expands, understanding these cardiovascular implications becomes increasingly vital for public health.

