Sugar Blues is a book by William Dufty that was released in 1975 and has become a dietary classic. According to the publishers, over 1.6 million copies have been printed.Dufty uses the narrative form to delve into the history of sugar and history of medicine. He mentions whistle blowers, such as Semmelweiss, to remind readers of the discontinuities in standard science. He also delves into the history of Cuba, history of slavery, history of tobacco and tobacco curing to present the sociology of sugar. The status of sugar, as a product of refining, was compared to drugs: Heroin is nothing but a chemical. They take the juice of the poppy and they refine it into opium and then they refine it to morphine and finally to heroin. Sugar is nothing but a chemical. They take the juice of the cane or the beet and then refine it to molasses and then they refine it to brown sugar and finally to strange white crystals. (page 22)Later, the euphemism, "made from natural ingredients", is cited as equally applicable to heroin and sugar. (page 148) Source: Wikipedia (en)