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HomeHealthA closer look at the link between marijuana use and heart attack...

A closer look at the link between marijuana use and heart attack risk

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The increasing legalization and accessibility of marijuana have brought its health impacts into sharper focus, particularly concerning cardiovascular health. Two recent studies presented at the American Heart Association’s annual meeting have shed light on the potential risks associated with cannabis use, especially in relation to heart health.

Study Findings on Marijuana and Cardiovascular Risks

The first study, involving over 150,000 adults, found that daily marijuana use is associated with a 34% higher risk of heart failure. This elevated risk is partly attributed to an increased likelihood of coronary artery disease. The second study, analyzing data from over 10 million older adults, identified a 20% higher risk of heart-related incidents, such as heart attacks and strokes, during hospital stays among marijuana users.

Misconceptions About Marijuana Safety

A common misconception, as noted by Robert Page II, PharmD, of the University of Colorado, is that the ‘natural’ aspect of marijuana implies safety. However, these studies suggest that marijuana should be considered a risk factor for cardiovascular diseases.

Mechanisms of Marijuana’s Impact on the Heart

The concern lies in how marijuana interacts with cannabinoid receptors in the heart and blood vessels. Dr. Yakubu Bene-Alhasan, lead author of one of the studies, explains that marijuana can impair the heart’s ability to contract effectively, potentially leading to heart failure. Additionally, it can cause narrowing of blood vessels in the heart, increasing the risk of clot formation and heart attacks.

Effects on Blood Pressure

Marijuana use, whether vaped or smoked, can initially lower blood pressure, raising stroke risk. Conversely, long-term daily use may increase blood pressure, heightening the risk of other cardiovascular problems.

Increased Marijuana Use Among Older Adults

The studies also highlighted the growing prevalence of marijuana use among older adults, a demographic where cannabis use has more than doubled since 2015. This rise is significant as older individuals often have preexisting risk factors for heart disease, such as high blood pressure or diabetes.

Need for Further Research and Public Awareness

Despite these findings, more research is needed to understand fully how different forms of marijuana consumption (smoked, vaped, or edible) might differentially affect cardiovascular health. Additionally, there’s a call for increased public awareness and open communication between patients and healthcare providers regarding cannabis use and its potential risks, particularly for older adults and those with preexisting heart conditions.

In summary, while the therapeutic benefits of marijuana continue to be explored, these studies urge caution and greater awareness of its potential risks, especially concerning cardiovascular health. As marijuana becomes more accessible, understanding its full spectrum of effects on the body remains a critical area of ongoing research and public health education.

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