http://www.cnn.com/2004/HEALTH/07/20...eut/index.html
Pot is no longer the gentle weed of the 1960s and may pose a greater threat than cocaine or even heroin because so many more people use it. So officials at the National Institutes of Health and at the White House are hoping to shift some of the focus in research and enforcement from "hard" drugs such as cocaine and heroin to marijuana.