POLICY Previous Next Helpful Links RESOURCES LOCAL: SOCIAL EQUITY CANNABIS BUSINESSESOFFICE OF CANNABIS OVERSITESTATE:BUREAU OF CANNABIS CONTROLCAL CANNABISCALIFORNIA BUSINESS PORTALCALIFORNIA PUBLIC HEALTH. MANUFACTURED CANNABIS SAFETY BRANCH History and science: Cannabis 101 . Read more to learn the History of Cannabis and the science behind it HISTORY Read about cannabis prohibition and how cannabis went from a household name to a controlled substance… SCIENCE Read about the inner workings of cannabis through a scientific approach, and be amazed at how it works on a molecular level… LEARN MORE...