The difference is dramatic in Martin County where 24 percent of high school students say theyâ??ve used marijuana in the past month, compared to 20 percent who used cigarettes. Martin County had a higher rate of teen tobacco and marijuana use than neighboring counties."
I'm betting it's because it's easier for underage kids to get weed than to purchase cigarettes, for which anyone under 30 must show ID. Goes to show how much better results you can get from regulation rather than prohibition.