One of the changes expected as the medical industry deals with the aging of the population is that older people will take a more active role in setting and striving to achieve health goals, coordinating their medical regimes, researching and making decisions about their treatment, and integrating new technology into their lives. Cognitive and social psychologists and related professionals explain how their fields can contribute to understanding and facilitating the new behavior. Annotation ©2007 Book News, Inc., Portland, OR (booknews.com)