Getting The Story Wrong
[T]he media chose to selectively highlight data implicating cannabis’s dangers while ignoring data implicating its relative safety. In this case, the study’s authors (and, by default, the worldwide press) chose only to emphasize one small subgroup of marijuana smokers (those who reported smoking at least one joint per day for more than ten years). These subjects did in fact, experience an elevated risk of lung cancer compared to non-using controls. (Although contrary to what the press reported, even the study’s heaviest pot smokers never experienced an elevated comparable to those subjects who reported having “ever used” tobacco.) By contrast, cannabis consumers in the study who reported light or moderate pot use actually experienced a decreased cancer risk compared to non-using controls.
Read the full article here. March 10, 2008