By AMERICAN HEART ASSOCIATION NEWS
Secondhand marijuana smoke may damage your blood vessels even more than tobacco smoke.
In a new study, arteries in rats that inhaled secondhand marijuana smoke for one minute carried blood less efficiently for at least 90 minutes. Similar exposure to secondhand tobacco smoke caused blood vessel impairment for 30 minutes.
“While the effect is temporary for both cigarette and marijuana smoke, these temporary problems can turn into long-term problems if exposures occur often enough and may increase the chances of developing hardened and clogged arteries,” said Matthew Springer, Ph.D., study senior author and professor of medicine at the University of California, San Francisco’s Division of Cardiology.
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