As of Tuesday, it is now legal for patients with debilitating medical conditions and permission from the state to use marijuana for medical purposes. It will also be legal to grow a limited quantity of marijuana for medical use. But even as the new law kicks in, there are no rules or procedures in place to govern marijuana use — and that may cause some confusion.
WBUR's Monica Brady-Myerov joined Bob Oakes on Morning Edition to sort it out.
This program aired on January 1, 2013.