WIKIMEDIA, BOGDAN GIUSCAMarijuana may not be linked to health after all, researchers from the Boston Medical Center (BMC) and Boston University School of Medicine showed in the Journal of General Internal Medicine this week (September 23). Specifically, the team found that use of the drug did not correlate with health status or health-care utilization among adults who reported to have used the drug before. The study serves to support mounting evidence that marijuana is likely less harmful than once thought.

BMC’s Daniel Fuster and his colleagues examined the relationship between marijuana use, health, and emergency department visits and hospitalizations in 589 adults who in primary care screened positive for recent illicit or non-medical prescription drug use. Among all participants, 84 percent reported marijuana use—29 percent daily, 55 percent less frequently. Adjusting for age, sex, tobacco and other substance use, Fuster’s team assessed the importance of marijuana use frequency over...