There is a federal law about medical marijuana.
But, when we are talking about state laws they have vast versatility.
And If you want to know about outside of California, Then I may here take a name of "Colorado".!
Colorado is a very progressive state for medical marijuana.
They have continuously improvised their laws regarding medical marijuana.!
Though you want to know more about medical marijuana here I’ve attached a link!!
Hello! In the United States, the use of cannabis for medical purposes is legal in the 29 states listed below, plus the territories of Guam and Puerto Rico, and the District of Columbia, as of April 2017 .
Reach out to your local department of Health for more information on medical marijuana in your state.