Is Cannabis Good for Your Heart or Not?

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If you take stock in the latest research (2018), cannabis is not good for heart health. If you look at previous studies, it reduces blood pressure and clears dangerous plaques from arteries. Which is the truth?

2018 report from the American Heart Association indicates that cardiovascular disease (CVD) remains the leading cause of death in the US, with more than 800,000 deaths annually. In 2013-2014, the annual direct and indirect cost of CVD and stroke was an estimated $329.7 billion. It comes as no surprise that investigating the effects of cannabis on heart health is top priority. The answer is even more critical, particularly for young people and those who already have cardiovascular issues.

Man holding heart in his hand

The latest study published in the Journal of the American College of Cardiology (JACC) concluded that the use of cannabis was associated with significantly higher cardiovascular mortality. The results were based on analyzing records of 2,097 patients (age 50 or below) diagnosed with a type 1 myocardial infarction (MI) at two academic hospitals from 2000 to 2016.

The results are also in line with previous findings that indicate cannabis as a possible risk factor for CVD in young adults. A detailed study published in the Journal of Thoracic Diseaseconcluded that acute cannabis consumption increases systolic blood pressure (SBP), the risk of MI, and arrhythmia (irregular heart beat) and ischemic stroke (reduced blood flow to the brain), especially in healthy young patients. Smoking cannabis compounded these effects, especially during the first few hours of consumption. Heavy use of tobacco and alcohol further exacerbated the problem.

Young male runner collapsing with heart attack

study published in the European Journal of Preventive Cardiology established a direct correlation between the increased duration of cannabis use and the increase risk of death due to hypertension. This is in stark contrast to other studies that show CBD significantly reducing blood pressure and even more that found CBD had the ability to clear plaques from arteries.

Also contrastingly, a promising therapeutic target in the management of several disease conditions, the endocannabinoid system (ECS) is showing great potential in encouraging the heart to work harder to pump blood.

xray concept showing stroke

In 2015, Alexander Stokes, Assistant Research Professor in the Department of Cell and Molecular Biology at the John A. Burns School of Medicine, obtained a U.S. patent for his novel therapy in 2015. He claimed that plant-based cannabinoids activated the cannabinoid receptor TRPV1 therapeutically to treat heart disease. Makai Biotechnology, LLC, a Hawaii-based cardiovascular therapy company founded by Stokes sold the license for his therapy to pharmaceutical development company GrowBlox Life Sciences, LLC soon after.

animation heart in a chest

Though the impact of cannabis on cardiovascular health might be confusing considering these mixed findings, more research is needed as all the above studies above neither took the subjects’ age, medical and mental health status, alcohol and opioid use into account nor did these consider the mode of cannabis use (smoking vs non-smokables such as edibles, oils, topicals and vaporizers).

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