The Neuroscience of Psychedelic Drugs, Music and Nostalgia

With controlled psychedelic substances, there is a potential to alter the entire brain for a period of time and thus provide relief from negative emotions that cloud the mind. Capturing this controlled relief, Dr Frederick Barrett's research suggests that, under the right conditions, psychedelics may have the potential to treat a wide range of mood and substance disorders.

https://www.hopkinsmedicine.org/psychiatry/research/psychedelics-research