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Can Marijuana, E-cigarettes Harm the Heart

by Colleen Fleiss on Nov 17 2022 11:52 PM
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Can Marijuana, E-cigarettes Harm the Heart
Electronic cigarettes and marijuana can impact the heart as cigarettes, revealed a new study.
According to the study published in the journal Heart Rhythm, smoking tobacco increases the risk of developing arrhythmias among other adverse cardiovascular effects.

Since e-cigarettes and heated tobacco products are perceived as less harmful than smoking, they have become increasingly popular.

E-cigarettes may Disrupt Heart Rhythm

In the study, researchers exposed rats for eight weeks to a single daily session of exposure to traditional cigarette smoke, aerosol (vapor) from the e-cigarette, aerosol from the heated tobacco product, smoke from marijuana cigarettes, and smoke from modified marijuana that lacks all cannabinoids, compared to just air.

It was observed that rats exposed to the products (but not the air) had progressively worse heart function and increased blood pressure during this period, said the study.

After completing the study, the researchers conducted various tests on the hearts to determine how they functioned electrically and physically.

At the end of the study, it was found that all the products increased scarring in the hearts, reduced blood vessel numbers, changed nerve types in the heart, decreased the ability to vary heart rate, and increased the likelihood of arrhythmias.

“It's notable that all of these tobacco and marijuana products had such similar effects. And what's really striking is that this was caused by a single realistic smoking/vaping session per day,” said senior author Matthew Springer, Ph.D., a UCSF professor of cardiology.

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