People who smoke marijuana were more likely to have certain types of lung damage than people who smoked cigarettes, according to a new study that reviewed lung scans of smokers. The researchers who led the study say their findings suggest smoking marijuana may be more harmful than people realize.
WATCH the ABC News Live Stream Here: https://www.youtube.com/watch?v=w_Ma8…
SUBSCRIBE to ABC NEWS: https://bit.ly/2vZb6yP
Watch More on http://abcnews.go.com/
LIKE ABC News on FACEBOOK https://www.facebook.com/abcnews
FOLLOW ABC News on TWITTER: https://twitter.com/abc
#health #copd #smoking #pot #study