Alkaloid use of Ephedra and opium poppies. Also, coca leaves have been used by South American Indians since ancient times. Extracts from plants containing toxic alkaloids, such as aconitine and tubocurarine, were used since antiquity for poisoning arrows. Studies of alkaloids began in the 19th century. In 1804, the German chemist Friedrich Sertürner isolated from opium a "soporific principle" (), which he called "morphium" in honor of Morpheus, the Greek god of dreams; in German and some other Central-European languages, this is still the name of the drug. The term "morphine", used in English and French, was given by the French
Bath salts (drug) Bath salts (drug) "Bath salts" (also "psychoactive bath salts", "PABS", or in the United Kingdom monkey dust) is a term used to describe several recreational designer drugs. The name derives from instances in which the drugs were disguised as bath salts. The white powder, granules, or crystals often resemble bath salts such as Epsom salts, but differ chemically. The drug's packaging often states "not for human consumption" in an attempt to circumvent drug prohibition laws. Recreational drugs have also been disguised as plant food, hookah cleaner and other products. Synthetic cathinones such as mephedrone, which are chemically similar to cathinone,