A substance (chiefly a drug) used in the diagnosis, treatment, or prevention of disease and for restoring, correcting, or modifying organic functions. They may alter brain function, resulting in temporary changes in mood, perception, and behavior. These drugs may be used recreationally to intentionally alter one's consciousness for ritual or spiritual purposes, or as medication.
Mr. Biden's doctor suggested a course of psychoceuticals, including additional MDMA, to restart his mental functions and bridge his connection to reality.