Perhaps the most insidious of all drugs, Heroin, or Diamorphine is a derivative of Morphine, an opiate, first used as an alternative to Morphine as it was thought to be less addictive. The name Heroin, is a Trade name for Diamorphine and was used by the Bayer pharmaceutical company in the mid 1800’s.he most popular of all recreational drugs, Cannabis, or Marijuana, Grass, Hemp, Weed, Pot, Hash, Dope or a variety of regional names has been cultivated for thousands of years.