If you believe that the latest blockbuster medication is worth a premium price over your generic brand, or that doctors have access to all the information they need about a drug's safety and effectiveness each time they write a prescription, Dr. Jerry Avorn has some sobering news. Drawing on more than twenty-five years of patient care, teaching, and research at Harvard Medical School, he shares his firsthand experience of the wide gap in our knowledge of the effectiveness of one medication as compared to another. In Powerful Medicines, he reminds us that every pill we take represents a...