A Harvard School of Public Health research team studied 1306 initially healthy men over a 10-year period.They found that ________ were more than twice as likely as ________ to develop heart disease.

A) introverts;extraverts
B) married men;single men
C) Type B personalities;Type A personalities
D) pessimists;optimists

Heart Disease

A range of conditions affecting the heart, including coronary artery disease, arrhythmias, and heart defects.

Type A Personalities

Characterized by high competitiveness, self-imposed stress, impatience, and a sense of urgency, potentially leading to higher stress levels.

Pessimists

Individuals who tend to see the worst aspect of things or believe that the worst will happen; a lack of hope or confidence in the future.