Study Finds No Cancer-Marijuana Connection
By Marc Kaufman,Washington Post Staff Writer
Friday, May 26, 2006
The largest study of its kind has unexpectedly concluded that smoking marijuana, even regularly and heavily, does not lead to lung cancer.
. . . . . . .
While no association between marijuana smoking and cancer was found, the study findings, presented to the American Thoracic Society International Conference this week, did find a 20-fold increase in lung cancer among people who smoked two or more packs of cigarettes a day.