"Because the agency's factual findings in this case are supported by substantial evidence and because those factual findings reasonably support the agency's final decision not to reschedule marijuana, we must uphold the agency action," the court ruled.
DEA regulations define "currently accepted medical use" to require, among other things, "adequate and well-controlled studies proving efficacy."
Americans for Safe Access cited more than 200 peer-reviewed published studies demonstrating marijuana's efficacy for various medical uses, including a 1999 study by the respected Institute of Medicine, a government advisor on health issues."
Court rejects bid to have marijuana reclassified - Huffington Post
Please watch this video of Jared Polis of Colorado question Michelle M. Leonhart, appointed head of DEA by President Obama, about the danger of Heroine, Crack, and Prescription Pain Killers compared to Cannabis.