cocaine is regarded today as a major social evil and as a medical problem of vast proportions. Only a century ago, however, cocaine was believed to be a harmless stimulant and cure-all. highly respectable scientist such as psychoanalyst Sigmund Freud experiment with cocaine. The original 1886 formula for Coca-Cola included three parts coca leaves (The source of cocaine) to one part cola nut. The original coca-cola was advertised not only as a refreshing beverage, but as a medicine to "cure all nervous afflictions-Sick Headache, Neuralgia, Hysteria, Melancholy, etc."