Secondhand marijuana smoke may harm blood vessel function as much as cigarette smoke

November 17, 2014 5:53 PM

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Secondhand marijuana smoke may harm blood vessel function as much as cigarette smoke

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 impai...

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