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I am a professor of medicine at the University of Iowa and for most of my career, I believed wholeheartedly in the power of modern medicine, in our latest greatest drugs, in our ever more expert procedural interventions. For many years, I focused on treating disease, not on creating health, because that is what I was taught to do. I didn’t know any better, but I was certainly not a “physician of the future.” (That's the term Thomas Edison used to describe the doctor who "will give no medication, but will interest his patients in the care of the human frame, diet, and in the cause and prevention of disease.”) Now, however, I aspire to a physician of the future. Let me tell you why.