Members of the Pennsylvania House of Representatives will vote this week on a proposal to make medical cannabis legal in the Commonwealth. The bill, which has already passed in the Senate, would allow for people suffering from certain conditions, such as epilepsy or glaucoma, to receive marijuana as a treatment. Dr. David Casarett is a professor of medicine with the University of Pennsylvania Health System. He's written a book called Stoned: A Doctor's Case for Medical Marijuana, in which he chronicles how he changed his mind on the issue.
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