www.massmed.org/physicianfocus | Alan Ehrlich, M.D., Senior Deputy Editor of DynaMed, a clinical reference tool created by physicians that examines medical articles for clinical relevance and scientific validity, and Kevin Hill, M.D., Director of the Substance Abuse Consultation Service in the Division of Alcohol and Drug Abuse at McLean Hospital in Belmont, joined program host John Fromson, M.D., Chief of Psychiatry at Brigham and Women’s Faulkner Hospital in Boston for the program. The three examined the current evidence surrounding marijuana and what patients should know about it if they are considering it for medicinal purposes.