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Secondhand marijuana smoke may harm blood vessel function as much as cigarette smoke
Melinda Carstensen foxnews.com Secondhand marijuana smoke may pose a similar health risk to that of tobacco, suggests new research presented at the American Heart Association's Scientific Sessions 2014 in Chicago. In the study, lab rats’ blood vessel function declined by 70 percent after 30 minutes of exposure to secondhand marijuana smoke. When researchers removed tetrahydrocannabinol (THC)— the compound in marijuana that causes intoxication— from the smoke, the animals’ blood vessel function was still impaired. “I think that a lot of people in the general public look at it this way: I don’t want to breathe in cigarette smoke, but marijuana doesn’t have nicotine— it’s natural. It’s medicinal,” senior author Matthew L. Springer, associate professor of medicine at the University of California, San Francisco’s cardiology division, told FoxNews.com.
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