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How cannabis and THC affect your heart health



  • In marijuana or marijuana, THC is the main (psychoactive) ingredient that changes the human heart and may cause mental discomfort.
  • Tetrahydrocannabinol-containing products stimulate the heart and promote blood vessel inflammation and oxidative stress.
  • This can lead to increased blood pressure, abnormal heart rhythm, and a higher overall risk of heart disease, stroke, and sudden death.

According to a report by the American Heart Association (AHA), cannabis may have medicinal properties, but it may also be harmful to the heart and blood vessels.

In the past decade, as the use of cannabis has increased, AHA̵

7;s statement in the journal Circulation examines several studies on the subject.

Cannabis, also known as hemp, refers to a variety of cannabis plant that contains tetrahydrocannabinol (THC).

Tetrahydrocannabinol is the main mental component (psychoactivity) in cannabis that can change people. Cannabinoids are compounds in cannabis. Cannabidoil or CBD is a well-known cannabinoid that is said to have certain health benefits. CBD is different from THC.

Researchers have had a difficult time studying marijuana, because marijuana is listed as a Schedule 1 controlled substance by the US Controlled Substances Act. By definition, this means that it has no medical use and may be abused. In the report, the AHA encouraged the Federal Drug Enforcement Administration to remove it from the designation.

The chemicals in marijuana are linked to a higher risk of heart attack, heart failure and atrial fibrillation. But these studies are observational and do not prove that chemicals are the cause of increased risk.

A study cited in the AHA statement reported that 6% of patients under 50 who had a heart attack used marijuana. This is related to the deterioration of all-cause mortality and cardiovascular mortality. Another study pointed out that marijuana users between the ages of 18 and 44 are significantly more likely to have a stroke. Compared with people who do not use marijuana, people who consume more frequently have a greater risk of stroke.

Dr. Chip Lavie, a cardiologist at the Ochsner Medical Center in New Orleans, Louisiana, said that cannabis is known to have an adverse effect on blood clotting, increase acute cardiovascular events, and cause adverse vascular effects.

Lavie told Healthline: “We still have no effect on people who use it occasionally, in large doses and very long-term use.”

In some patients, short-term use of marijuana, the benefits may outweigh the risks. He pointed out that there are still other dangers in impure products and atomization.

Dr. Muthiah Vaduganathan, a cardiologist at Brigham and Women’s Hospital in Boston, Massachusetts, points out that certain forms of cannabis delivery (such as aerosolization) may have unique effects on cardiovascular health.

Vaduganathan said that because cannabinoid receptors are distributed throughout the body, including the heart, they have a potential impact on the heart.

The AHA report points out that not all research on cannabis shows harm.

Tetrahydrocannabinol-containing products stimulate the heart and promote blood vessel inflammation and oxidative stress. Dr. Michael Miller, professor of cardiology at the University of Maryland School of Medicine, explained that this can lead to increased blood pressure, abnormal heart rhythm, and a higher risk of heart attack, stroke and sudden death.

If the concentration of tetrahydrocannabinol is too high or taken within a short period of time, adverse reactions may occur, such as adverse reactions of the elderly to existing drugs.

On the contrary, products containing CBD can reduce inflammation and emotional stress, thereby reducing the risk of heart disease.

Miller pointed out: “Compared with CBD, I don’t know that THC may have the opposite effect in promoting heart disease, and CBD may prevent its development and development.”

Miller said that although cannabis can be used as an effective way to control seizures or reduce nausea and improve appetite, it is used to treat people with cancer or HIV, but there are still some people who do not know that cannabis is used for recreation or unproven. Potential harm.

Miller hopes to see a well-designed clinical trial to determine whether daily use of CBD can reduce the risk of heart attack, stroke or cardiovascular death.

Experts point out that there is a lack of reliable data in determining the harm and benefits of cannabis to the cardiovascular system. The AHA report pointed out that due to the increasing concentration of THC in cannabis, earlier studies may only reflect the impact of lower THC content on people.

Miller added that most cannabis research is observational and does not take into account that some cannabis users also smoke.

He added: “In the absence of major risk factors such as smoking, I would like to know whether THC is harmful to the heart and to what extent.”

Dr. Stephen Sidney, a senior research scientist at the Kaiser Permanent Research Center in Oakland, California, said that as more people over 65 use marijuana, and the highest risk of heart attack, more Research is imminent.

“What we know the most about the cardiovascular effects of cannabis is the study of smoked cannabis. Sidney told Healthline that more research is needed on other forms of cannabis, such as edible, s-dose and subject preparation. “We also need to study cannabis mist. How to affect the heart and lungs, because this has replaced the most commonly used marijuana smoking in adolescence. “

Vadoganathan said that patients and doctors need to be open to the use of cannabis and its meaning.

“Although cardiologists often ask patients and recommend tobacco use, they rarely screen for marijuana use. Similarly, patients may not realize that marijuana can have important effects on blood pressure, cardiovascular drug metabolism, and overall heart health. , Some of them may actually be very similar to the adverse health effects of smoking.” Vaduganathan said.

Some forms of marijuana are permitted in 47 states, the District of Columbia, and 4 of the 5 territories of the United States. Although different methods of procurement and use are legal in many states, selling and using it is still illegal in the federal government.


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