Science and FDA Say Cannabis Is Medicine but DEA Insists It Isn't Much like with climate change, stubborn federal marijuana policy isn't supported by any data.

Many people immediately disagreed, including The Hill, which wrote that Rosenberg might as well have said “the Earth is flat.”

But what’s even more interesting is that the Food and Drug Administration has already approved two marijuana-based medicines for treatment of nausea in chemotherapy patients and help increase appetite in those with AIDS who have experienced extreme weight loss.