The University of California Los Angeles just reacently confirmed that heavy marajuana smoking over long periods of time DOES NOT cause lung cancer.This finding is so great to the pro marajuana front that some said the findings could have marajuana legalized in a couple of months! Instead, the syudy, which 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 heavest pot smokers.The study did find a 20 fold increased risk of lung cancer in people who smoked two or more packs of ciggaretts a day.The study was realeased tuesday in San Diego at a meeting of the American Thoracic Society.