Before and until now, happiness is claimed to be a source of energy and power. New British research has found that the more satisfied you are with your life, the lower your danger of coronary heart disease. Happy Life, Happy Heart While it's long been known that negative emotions such as depression and anxiety put you at risk for heart disease, there's been surprisingly little research on whether positive emotions prevent coronary trouble. To find out, scientists asked nearly 8,000 people to rate their satisfaction in seven key areas of life: jobs, family, love, leisure, standard of living, sex, and self. Those who scored higher than average satisfaction in all categories had up to 13 percent less risk of heart disease, heart attacks,