HOUSTON — The American Medical Association (AMA) voted today to reverse its long-held position that marijuana be retained as a Schedule I substance with no medical value.

The AMA adopted a report drafted by the AMA Council on Science and Public Health (CSAPH) entitled, “Use of Cannabis for Medicinal Purposes,” which affirmed the therapeutic benefits of marijuana and called for further research. The CSAPH report concluded that, “short term controlled trials indicate that smoked cannabis reduces neuropathic pain, improves appetite and caloric intake especially in patients with reduced muscle mass, and may relieve spasticity and pain in patients with multiple sclerosis.” Furthermore, the report urges that “the Schedule I status of marijuana be reviewed with the goal of facilitating clinical research and development of cannabinoid-based medicines, and alternate delivery methods.”

The change of position by the largest physician-based group in the country was precipitated in part by a resolution adopted in June of 2008 by the Medical Student Section (MSS) of the AMA in support of the reclassification of marijuana's status as a Schedule I substance. In the past year, the AMA has considered three resolutions dealing with medical marijuana, which also helped to influence the report and its recommendations. The AMA vote on the report took place in Houston, Texas during the organization's annual Interim Meeting of the House of Delegates. The last AMA position, adopted 8 years ago, called for maintaining marijuana as a Schedule I substance, with no medical value.