Since 1996, eleven (11) states have approved the used of medical cannabis via voter-approved initiatives (i.e. 1996, Proposition 215 in California).
Since 2000, twelve (12) states and the District of Columbia have approved the used of medical cannabis via legislative assembly.
Since 2014, sixteen (16) states allow access to cannabidiol oil, generally for a short list of severe conditions that are medically difficult to cure or provide relief for.
A trio of bills was passed via legislative assembly was passed earlier this month in California to overhaul the program established in 1996 via voter referendum.