Originally Posted by Maturin

"Smoking pot is healthier than tobacco."

I don't know if the conventional wisdom has changed on this but I've seen this one stated enough here and elsewhere. This claim was made mostly on the lack of in-depth medical studies on marijuana's effects on the body. In the very good BBC documentary "Should I Smoke Dope?" they interview a doctor who shows that pot is at least as damaging as tobacco, maybe worse.