It's classified as schedule 1. A criteria of schedule 1 classification is "The drug or other substance has no currently accepted medical use in treatment in the

It's classified as schedule 1. A criteria of schedule 1 classification is "The drug or other substance has no currently accepted medical use in treatment in the United States" So, at least the folks who wrote down those schedules disagree that Marijuana has legitimate uses. Note that "accepted" here basically means whatever the person in power wants it to mean. There's absolutely no criteria that "accepted medical use" corresponds to doctors' opinions on the matter.