Cannabis (Cannabis sativa) is an herbal drug. It contains chemicals called cannabinoids, including delta-9-tetrahydrocannabinol (THC) and cannabidiol (CBD). The cannabinoids in cannabis work by ...

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Jan. 19, 2026 Cannabis-based medicines have been widely promoted as a potential answer for people living with chronic nerve pain—but a major new review finds the evidence just isn’t there yet. After ...

Marijuana can help relieve nausea and vomiting from chemotherapy. Smoking marijuana may damage your lungs and increase the risk of lung cancer. Limited research exists regarding the benefits and risks ...