The effects marijuana has on heart overall health is not as reduce-and-dried as it may well appear. Like several other overall health-connected subjects in the cannabis space, study is preliminary. 

However, there is no scientific consensus, but there are some fascinating research getting accomplished that support us acquire an understanding on how marijuana could influence the heart.

The ECS Regulates Heart Wellness

The endocannabinoid technique (ECS) is a neuromodulatory technique comprised of cannabinoid receptors CB1 and CB2, endocannabinoids, and enzymes that metabolize these endocannabinoids. CB1 and CB2, molecular pathways that facilitate the signaling from neurotransmitters to the brain, are positioned all through the physique. 

CB1 receptors are positioned in the central and peripheral nervous technique though CB2 receptors are positioned in most organ systems, such as the cardiovascular technique. In truth, researchers think that the ECS plays a function in the regulation of heart price and blood stress. 

According to a 2017 Journal of Thoracic Illness overview by Hermant Goyal, Hamza Awad, and Jalal Ghali, a group of researchers out of the Mercer University College of Medicine in Georgia, the ECS induces several cardioprotective events such as: 

  • Hypotension. THC reduces blood stress by activating TRPA-1 channel though anandamide (an endocannabinoid) can independently lower blood stress by activating vanilloid VR1 receptors.
  • Anti-inflammatory effects to the cardiovascular technique. CB2 receptors are positioned all through the cardiovascular technique and seem to lower the severity of tissue inflammation and injury as a outcome of cardiovascular problems. 

The seemingly cardioprotective function of the ECS has created the neuromodulatory technique a target for the therapy of illnesses such as heart failure, stroke, myocardial infarction, atherosclerosis, and restenosis. 

Cannabis Use and Cardiovascular Danger

There is a plethora of perform out there that can have a tendency to be confusing with claims getting created on each sides. In 2018, an independent overview carried out by authors from several prestigious universities attempted to analyze the observational research dealing with cannabis and cardiac/metabolic problems.

The research chose enrolled adults making use of any kind of marijuana, and focused on danger components such as:

  • Diabetes
  • Cholesterol and lipid problems
  • Obesity
  • Stroke
  • Myocardial infarction (heart attack)

The strength of the proof was independently assessed by reviewers.

The overview looked at 24 research from 1975 to 2017 that looked at cannabis use in relation to cardiovascular danger components and their clinical outcomes. Of these, six research recommended a metabolic advantage from making use of cannabis

On the other hand, these research are challenging to base a consensus off of simply because they didn’t appear at populations more than a extended period of time. The rest of the research located insufficient proof that marijuana use influence heart attacks, stroke, diabetes, and elevated lipid levels.  

Eventually, the report concluded that the research have been littered with poor information and as a result inconclusive.

woman getting her blood pressure checked

Supply: iStock

Cannabis Abuse and Heart Attacks

A 2019 study published in the Mayo Clinic Proceedings, located that the males who abused cannabis in their study “had a greater prevalence of cardiovascular danger components.”

The study also located:

  • Cannabis abuse was considerably linked with heart attacks
  • The highest dangers have been much more pronounced danger in young and middle age groups
  • These who abuse cannabis also had greater prevalence of hypertension, coronary artery illness, dyslipidemia, diabetes, obesity, and much more.

Cannabis’ Prospective Post-Heart Attack Positive aspects

Searching at a unique angle, in 2018, a report was released from the University of Colorado’s Division of Cardiology. It looked at hospital outcomes of repeat heart-attack individuals and divided them into these who reported cannabis use versus these who reported no-use. 

Strikingly, the study located that marijuana use prior to a heart attack was linked with decreased in-hospital mortality post-heart attack. An additional study published in 2018 showed related outcomes

Paradoxically, the study located that cannabis customers admitted for heart attacks have been:

  • On typical, 10 years younger than non-customers
  • Much more probably to be placed on mechanical ventilation in the course of their hospital keep

The truth is that there are several explanations probable to the above paradoxical outcomes such as:

  • These who consume cannabis have a tendency to be younger
  • “Smoker’s paradox” (the phenomenon exactly where there are much less deaths amongst tobacco customers in a 30-day period soon after a heart attack). could also apply to cannabis customers. 
  • Marijuana use may perhaps have offered a cardioprotective impact to users” 


Further study is warranted to additional investigate these discoveries and to determine possible mechanisms by which cannabis use is linked with our cardiovascular overall health. 

It is clear that we have a extended way to go to uncover the complete cardiac effects of cannabis use.