AbstractThe use of the club drugs 3, 4‐methylenedioxymethamphetamine (MDMA, “ecstasy”), gamma‐hydroxybutyrate (GHB), flunitrazepam (Rohypnol), ketamine and LSD is a popular practice among young people especially during all‐night dance parties or “raves“ due to their ability to enhance social experiences and/or alter perception. These substances belong to different classes of drugs: MDMA is an...