The earliest known use of muscle relaxant drugs dates back to the 16th century, when European explorers encountered natives of the Amazon Basin in South America using poison-tipped arrow ...

An opioid is a chemical that works by binding to opioid receptors, which are found principally in the central nervous system and the gastrointestinal tract. The receptors in these ...

A drug, broadly speaking, is any substance that, when absorbed into the body of a living organism, alters normal bodily function.World Health Organization. (1969). WHO Expert Committee on Drug ...

Nitrous oxide, commonly known as happy gas or laughing gas, is a chemical compound with the chemical formula N₂O. At room temperature, it is a colorless non-flammable gas ...

Cortisol is a corticosteroid hormone or glucocorticoid produced by zona fasciculata of the adrenal cortex, which is a part of the adrenal gland.http://themedicalbiochemistrypage.org/images/adrenalsteroidsynthesis.jpg It ...

Xylitol is an organic compound with the formula (CHOH)3(CH2OH)2. This achiral species is one of four isomers of 1,2,3,4,5-pentapentanol.

Sodium nitrite, with chemical formula NaNO₂, is used as a color fixative and preservative in meats and fish. When pure, it is a white to slight yellowish ...

Simvastatin (INN) (), (marketed under the trade names Zocor, Simlup, Simcard, Simvacor, and others, as well as generically) is a hypolipidemic drug belonging to the class of pharmaceuticals called "statins ...