Using data on all prescriptions filled by Medicare Part D enrollees from 2010 to 2013, the authors of this study found that the use of prescription drugs for which marijuana (cannabis) could serve as a clinical alternative fell significantly, once a medical marijuana law was implemented.
National overall reductions in Medicare program and enrollee spending when states implemented medical marijuana laws were estimated to be $165.2 million per year in 2013. Yes, that’s saving more that $165 million per year.
