(Help)大学英语课文概括

1 For well over 2000 years the world's great religions have taught the virtues of a trusting heart. Now there is another reason to heed the wisdom of the ages: scientific evidence indicates that those with trusting hearts will live longer, healthier lives.

2 As a result of the work published in the US by two pioneering cardiologists, Meyer Friedman and Ray H. Rosenman, nearly every American is aware that Type A people are impatient and easily moved to hostility and anger. Many have come to believe that Type A's are at much higher risk of suffering a heart attack or dying of coronary disease than others.

3 Just as the public was about to add Type A behavior to the list of cardiac risk factors such as smoking, high cholesterol levels, high blood pressure and lack of physical exercise reports began to appear suggesting that the Type A story was not so simple.

4 New studies failed to find an increased risk of heart attack in all Type A's.