May 29 (UPI) -- Smoking or eating marijuana on a regular basis may damage a healthy person's blood vessels much like tobacco does, a small study finds.
Researchers from the University of California-San Francisco looked at the blood vessels of 55 people between 18 and 50 years old. Some smoked marijuana or ate THC-laced edibles at least three times a week for a year, while others didn't use cannabis at all, CNN reported.
None used tobacco or vapes, and they had little exposure to secondhand smoke.
"We found that vascular function was reduced by 42% in marijuana smokers and by 56% in THC-edible users compared to nonusers," lead author Dr. Leila Mohammadi, an assistant researcher in cardiology at UCSF, told CNN.
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