Inhaled smoke from MJ contains more carcinogens than tobacco. The FDA wouldn't approve of smoked tobacco as medicine today -- but you think they should approve smoked marijuana?
How many FDA approved drugs' side effects include cancer?
MJ's side effects are cancer? Now you're just making up side effects out of thin air.
Two things:
1. What would the health risk of tobacco be if the average person smoked half a cigarette or less per day?
2. Is there an offsetting health benefit to smoking tobacco comparable to those scientifically attributed to Marijuana?