Psychedelics are attracting interest as a treatment for some mental health conditions. In response, some states and cities are changing their laws and policies on the supply and use of these mind-altering substances. But like cannabis, most psychedelics are f…

Psychedelics such as psilocybin, MDMA (PDF), and LSD are attracting interest as a treatment for mental health conditions such as depression and posttraumatic stress disorder. In response to this emer…