Mefloquine one. Plasma concentrations of the (–)-enantiomer are significantly higher than those for the (+)-enantiomer, and the pharmacokinetics between the two enantiomers are significantly different. The (+)-enantiomer has a shorter half-life than the (–)-enantiomer. According to some research, the (+)-enantiomer is more effective in treating malaria, and the (–)-enantiomer specifically binds to adenosine receptors in the central nervous system, which may explain some of its psychotropic effects. Mefloquine was formulated at Walter Reed Army Institute of Research (WRAIR) in the 1970s shortly after the end of the Vietnam war. Mefloquine was number 142,490 of a total of 250,000 antimalarial compounds screened
Treatment of mental disorders in cold water by Samuel Willard (physician), who reportedly established the first American hospital for mental illness. The history of treatment of mental disorders consists in a development through years mainly in both psychotherapy (Cognitive therapy, Behavior therapy, Group Therapy, and ECT) and psychopharmacology (drugs used in mental disorders). Psychotherapy is a relatively new method used in treatment of mental disorders. The practice of individual psychotherapy as a treatment of mental disorders is about 100 years old. Sigmund Freud (1856–1939) was the first one to introduce this concept in psychoanalysis. Cognitive therapy is a more recent therapy that was founded