 Researchers are investigating a number of experimental FAAH and MAGL-inhibiting drugs of hopes of finding a better treatment for anxiety and stress-related illnesses.In 2016, the FAAH-inhibitor drug BIA 10-2474 was withdrawn from human trials in France due to adverse effects.MDMA was used for psychedelic therapy for a variety of indications before its criminalization in the U.S. in 1985.