MDMA and methamphetamine: some paradoxical negative and positive mood changes in an acute dose laboratory study.
Psychopharmacology June 2011 Andrew C Parrott, Amy Gibbs, Andrew B Scholey et al.
This study investigated the acute mood effects of oral MDMA, methamphetamine, and placebo in a double-blind laboratory study. Fifty-two healthy participants comprised abstinent recreational users of stimulant drugs, 27 female and 25 male, mean age 24.8 years. Three test sessions involved acute 100 mg oral 3.4-methylendioxymethamphetamine (MDMA), 0.42 mg/kg oral methamphetamine, and matching...