A new federally funded study shows that legalization of marijuana in U.S. states is associated with reduced prescriptions for opioid pain medications among commercially insured adults—indicating a possible substitution effect where patients are choosing to use cannabis instead of prescription drugs to treat pain. “These results suggest that substitution of cannabis for traditional pain medications … Continue reading Opioid Prescriptions Drop In States That Legalize Marijuana, Federally Funded Study Shows, Suggesting Some Pain Patients Prefer Cannabis