In 1978 Susan Sontag wrote "Illness as Metaphor," a classic work described by "Newsweek" as "one of the most liberating books of its time." A cancer patient herself when she was writing the book, Sontag shows how the metaphors and myths surrounding certain illnesses, especially cancer, add greatly to the suffering of patients and often inhibit them from seeking proper treatment. By demystifying the fantasies surrounding cancer, Sontag shows cancer...