Cannabis consumers are better drivers
From Speed TV: Fifth Gear. Click on "Driving under the influence of marijuana."
This reminds me of a study done in California that Gary Webb reported on before he died. It showed that the best drivers were cocaine consumers. The newspaper he was working for at the time gave the piece approximatedly one or two column inches buried inside the paper. You can be sure if it showed the opposite, it would have made the front page.
[hat tip to Tim Meehan]