Hooked Illegal Drugs & How They Got That Way - Opium Morphine and Heroin: Pharmacologists, scientists, and other experts discuss how mind-altering drugs have been used for thousands of years during this two-part History Channel program. Viewers will learn about 3000 B.C. poppy harvests, Dr. Sigmund Freud's interest in cocaine, and how controlled substances are used medicinally. Segments also focus on America's "War on Drugs" and shifting public attitudes toward illegal drug use. Volume one explores evidence that the early Sumerians, Egyptians, and Greeks used opium and other drugs. Experts also discuss how damaging drugs like marijuana, opium, morphine, and heroin can be when used habitually for recreational purposes.