California legalized medical weed 25 years ago, prompting a nationwide shift. Since then, 20 states have legalized medical cannabis, and 36 states have legalized recreational use of marijuana. But federal government rules have held back research on marijuana’s potential to treat many ailments.
Jackeline Luna is a senior producer for video series. Before joining the Los Angeles Times, she interned for Politico, ABC7 and the Mercury News. She graduated from UC Berkeley with a master’s in journalism in May 2018.