Over the last 30 years there have been political and legal campaigns to legitimize cannabis by suggesting it has some use as a medicine.
However pharmaceutical medicines must be thoroughly tested before they are ever used on humans.
The U S Federal Drug Administration drug approval processes are very strict and should not be undermined by political and legal campaigns.
Smoked cannabis as a medicine has been rejected by the-
(Source; U.S. v Oakland Cannabis Buyers Coop)
(Source; Marijuana Rescheduling petitions, 57 Federal Register 10499)
(Source; Standing Committee on Medicine 1996)
Those US states that supported smoked medical cannabis initiatives in the past have amoung the highest levels of drug use and drug addictions now.
In the latest voting initiatives, Americans are now rejecting proposals to use cannabis as a medicine because the side effects are now clear.
The known side effects of medical cannabis greatly outweigh any advantages.