New Study: Lung Cancer Not Caused By Marijuana

[Last third of broadcast](CBS / KNX) LOS ANGELES Even the researchers themselves were surprised by the findings of a new study that indicates marijuana smoking does not increase a person’s risk for lung cancer.

The study from the University of California at Los Angeles, compared the lifestyles of 611 Los Angeles County lung cancer patients and 601 patients with head and neck cancers with those of 1,040 people without cancer, found no elevated cancer risk for even the heaviest smokers of weed.

http://cbs5.com/topstories/local_story_146132640.html

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