Factual Error in Questions and Discussion

In the Clinical Crossroads article entitled “Medical Marijuana for Treatment of Chronic Pain and Other Medical and Psychiatric Problems: A Clinical Review” published in the June 23/30, 2015, issue of JAMA,¹ a factual error occurred. In the Questions and Discussion section on page 2481, the answer to the second question should not have stated that physicians can write a medical marijuana certificate for any medical condition “in Massachusetts and in every other state with medical marijuana laws.” The statement should apply to Massachusetts alone. This article was corrected online.