The difference would be in the laws and possession limits. For example, in California, recreational customers can purchase up to 28 grams (1 ounce) of flower, 8 grams of concentrate, and grow up to 6 plants for personal use. In addidtion, recreational customers are only allowed to make one purchase per day, whereas medical patients can purchase in larger quantities (up to 8 ounces of flower) and can make more frequent purchases as they are not limited to one per day. For a state by state breakdown on the cannabis laws in the US, check out this article to learn more: https://www.hellomd.dev/health-wellness/5a85fbfcf24d1300077ccb4e/cannabis-in-america-a-state-by-state-guide
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