A medical marijuana plant grows at the Northwest Patient Resource Center medical marijuana dispensary in Seattle.The Associated Press

   SALEM -- Marijuana is not just the best drug, it's the only drug that consistently helps people suffering from post-traumatic stress disorder, a parade of doctors, researchers and veterans told a panel of lawmakers Thursday.

At issue is Senate Bill 281, which would add PTSD, as it's commonly called, to the list of qualifying conditions for medical marijuana use in Oregon.

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