Researchers Find Study of Medical Marijuana Discouraged

Despite the Obama administration’s tacit support of more liberal state medical marijuana laws, the federal government still discourages research into the medicinal uses of smoked marijuana. That may be one reason that — even though some patients swear by it — there is no good scientific evidence that legalizing marijuana’s use provides any benefits over current therapies.

Lyle E. Craker, a professor of plant sciences at the University of Massachusetts, has been trying to get permission from federal authorities for nearly nine years to grow a supply of the plant that he could study and provide to researchers for clinical trials.

Full text at NYTimes