Is Marijuana Harmful to Heart Health? Understanding the Risks

The widespread legalization of marijuana has sparked much debate and interest regarding its impact on health, particularly heart health. While marijuana, derived from the Cannabis sativa plant, has a long history of cultivation and use dating back about 6,000 years, there remains an enduring paradox in the medical community: a broad public familiarity with marijuana contrasts sharply with the limited scientific understanding of its health impacts.

One major concern is the heart-related risks associated with marijuana use. Research suggests that marijuana can cause the heart to beat faster and blood pressure to rise, which may be particularly dangerous for individuals with heart disease. In fact, the risk of heart attack is reportedly several times higher in the hour after smoking marijuana. Additional studies have linked marijuana use to atrial fibrillation, a type of irregular heartbeat.

Yet, it’s important to approach these findings with a degree of caution. The evidence is not entirely conclusive, and the exact extent of marijuana’s impact on heart health is still a subject of ongoing research. Harvard Health emphasizes the need for users, especially those new or returning to cannabis, to “start low, go slow, and stay low” as a precautionary measure. This advice is particularly pertinent when considering edibles or concentrates like wax, shatter, or crumble, which contain high levels of THC.

For teenagers and young adults, the concerns extend beyond cardiovascular health. A 2022 study by the Mailman School of Public Health at Columbia University highlighted the increasing use of cannabis among people of all ages in the United States, especially in states where it has been legalized for nonmedical use. The study raises questions about cannabis’s impact on teen health, an area that is yet to be fully understood.

Moreover, regular marijuana use can affect the body’s response to anesthesia. It’s crucial for patients to inform their anesthesiologist about their marijuana usage, as it can influence the type and amount of anesthesia required during surgery.

In conclusion, while the use of marijuana is becoming more common and socially accepted, it’s essential to consider the potential health risks, particularly for heart health. As research continues to evolve, users are advised to proceed with caution and stay informed about the latest findings in this rapidly changing area.

Harvard Health
Harvard Health
Harvard Gazette
Illinois Extension | UIUC
Harvard Health
Columbia University Mailman School of Public Health
Go Ask Alice!
Harvard Health
Harvard Health