> Doesn't this already exist from other countries where it's been legal for decades? There is no other country in the world where marijuana has been legal for

> Doesn't this already exist from other countries where it's been legal for decades? There is no other country in the world where marijuana has been legal for decades. However, that doesn't mean that research into the effects of marijuana doesn't happen, including in the U.S. Marijuana is actually one of the most well-studied drugs in existence - we have a much clearer understanding of the short- and long-term effects of marijuana than we do of almost every commercially-produced pharmaceutical on the market.