For years after graduating from medical school, Dr. Clifton K. Meador assumed that symptoms of the body, when obviously not imaginary, indicate a disease of the body--something to be treated with drugs, surgery, or other traditional means. But, over several decades, as he saw patients with clear symptoms but no discernable disease, he concluded that his own assumptions were too narrow and, indeed, that the underlying basis for much of clinical medicine was severely limited.

Recounting a series of fascinating case studies, Meador shows in this book how he came to reject a strict adherence...