While teen marijuana use has been rising since 2005, an analysis of data from 1993 through 2009 has found no evidence to link the legalization of medical marijuana to increased use of pot among high school students — and in fact, the data often showed teen marijuana use decreased after medicinal cannabis was legalized.
“There is anecdotal evidence that medical marijuana is finding its way into the hands of teenagers, but there’s no statistical evidence that legalization increases the probability of use,” said Daniel I. Rees, a professor of economics at the University of Colorado Denver, reports Science Codex.