Close-up of a bright green cannabis leaf against a dark black background.
FILE - A marijuana plant is seen at a medical marijuana dispensary in Egg Harbor Township, N.J., March 22, 2019. (AP Photo/Julio Cortez, File)

WASHINGTON (AP), 9/29/25 — An experimental medication made from marijuana successfully reduced back pain in a new study, offering further support for the drug’s potential in treating one of the most common forms of chronic pain.

The 800-patient study by a German drugmaker is the latest evidence of the therapeutic properties of cannabis, which remains illegal under U.S. federal law even as most states have made it available for medical or recreational use.

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