Drugs have always been a part of humanity's history. Alexander the Great gave opium to his soldiers so they couldn't feel the pain; Freud was a cocaine addict. Almost every culture has experimented with mind-altering drugs. Learn where cocaine, heroin, tobacco, marijuana, alcohol and others either came from or came to be. Discover how many went through the pattern of being glorified before being criminalized. This fascinating chapter in the history of mankind is still a very relevant aspect of life today. These drugs are still here – only their form has changed.