… you may find this amusing (or interesting).
while already used legally as an anesthetic, seems the club drug "Special K" (Ketamine) - popular with the same crowd that likes to use Ecstasy/MDMA - is being considered to treat depression. it is abused on the street as a hallucinogen. this is not an endorsement from me - far from it. but thought the article and related debate in the comments section may be of interest to others.