Here are the things that your own doctor would tell you if she had the time to have a real talk. Most people know that sooner or later, we all begin to grow old: gray hairs show up, eyesight fades, familiar names draw a blank, and crow's feet sneak in at the edges of our eyes. How Aging Works: What Science Can Do About It is a book for adults of all ages that explains what to do about these and other age-related changes. To a certain extent, aging itself can be retarded, but the main killers- heart disease, cancer, emphysema-bronchitis, stroke, and diabetes- can be prevented or slowed down by living a healthy life style. But people have to cooperate. Included are details about the importance of using your mind, insuring optimum nutrition and weight, and knowing which exercises are beneficial for individuals of different ages and physical conditions. Dr. Murray describes the methods used by doctors to screen for disease and what basic medical tests we make sure we get, and he offers practical advice for how to go of unhealthy habits in order to live a longer, healthier life.