Research Proves Marijuana is Not a Gateway Drug

stopthedrugwar.org — The surging debate on marijuana legalization has brought with it the resurrection of the "gateway theory," which says experimenting with marijuana leads to the use of harder drugs. But the research tells a different story: "There is no evidence that the drug effects of marijuana are causally linked to the subsequent abuse of other illicit drugs." May 28, 2009 View in Crawl 4