Federal Appeals Court Rules Against DEA In Psilocybin Rescheduling Lawsuit Brought By Doctor Who Wants To Give Psychedelic To Cancer Patients

Isn't the point of the right to try stuff, to try and prove that there is a medical use?

If the FDA comes back and says there is no known medical use, how else do you get data to show there is other than start experiments on terminally I'll people willing to try it through this program?