Death is normal; we are genetically programmed to disintegrate and perish, even under ideal conditions. We all understand that at some level, yet as medical consumers we treat death as a problem to be solved. Shielded by third-party payers from the cost of our care, we demand everything that can possibly be done for us, even if it's useless. The most obvious example is late-stage cancer care. Physicians-frustrated by their inability to cure the disease and fearing loss of hope in the patient-too often offer aggressive treatment far beyond what is scientifically justified。题干：The author uses the example of cancer patients to show that