An attempt to summarize the evidence that psychedelics induce neuroplasticity by focusing on molecular and cellular effects. — Psychedelics are powerful psychoactive substances that produce profound changes in perception, processing, and responding to stimuli in the environment which results in altered states of consciousness. Clinical studies suggest therapeutic potentials of the so-called classic psychedelics, including psilocybin, lysergic acid diethylamide (LSD), N, N-dimethyltryptamine (DMT), and the DMT-containing brew ayahuasca…