Whenever I have a medical appointment, my wife inquires, "What did the doctor say?" I always give the same answer: "She said I'm going to die." Not because I have some fatal illness, but because life is a terminal condition. Americans might keep that fact in mind in considering the recent news made by the U.S. Preventive Services Task Force. It recently recommended against routine screening of healthy men for prostate cancer, on two grounds: The test doesn't save lives, on balance, and the treatments are usually worse than the disease. Everyone who gets prostate cancer will die. But usually...