1. Bibliographical Information: Author: Michael D. Lemonick Date: 1/17/2005

Title: The Biology of Joy Source: TIME Magazine

URL:http://www.time.com/time/subscriber/2005/happiness/the_biology_of_joy_scie09a.html

2. Summary of Content: This article emphasizes the importance of happiness in our life. Richard David is a professor of Psychology and psychiatry at the University of Wisconsin, and he has discovered that a happy brain has powerful influence on the rest of the body. If one person is ranked in upper reaches of happiness on psychological tests, then he or she will develop about 50% more antibodies than average in response to flu vaccines. Moreover, happiness, hopefulness, optimism can reduce the risk of "cardiovascular disease, pulmonary disease, diabetes, hypertension, colds and upper respiratory infections as well. Those mental states can help people to reduce our risk of death 50%. Doctors usually study the effect of being depressed...