An Anatomy of AddictionBy: Howard Markel Acclaimed medical historian Howard Markel traces the careers of two brilliant young doctorsSigmund Freud, neurologist, and William Halsted, surgeonshowing how their powerful addictions to cocaine shaped their enormous contributions to psychology and medicine. When Freud and Halsted began their experiments with cocaine in the 1880s, neither they, nor their colleagues, had any idea of the drug's potential to dominate and endanger their