States that have legalized marijuana for medicinal use have seen a dramatic decrease in opioid use & overdose rates.

States that have legalized marijuana for medicinal use have seen a dramatic decrease in opioid use & overdose rates. https://t.co/RVNZ724059 pic.twitter.com/JgNLG846hC

— Cato Institute (@CatoInstitute) May 16, 2018