a group of recent college graduates (exercisers and non-exercisers) was followed over a period of 20 years in order to track the incidence of coronary heart disease is True .
Cohort Study, measured with RR, incidence ratio .
A disease in which the coronary arteries (blood vessels that carry blood and oxygen to the heart) become narrowed or blocked. Coronary artery disease is usually caused by atherosclerosis (the buildup of fat and plaque within the coronary arteries).
Overall life expectancy may be reduced by approximately 8-10% of expected life expectancy. For example, a person without heart disease would expect him to die around age 85, but if he had a heart attack, his life expectancy would be 10% less, or he would be 8.5 years shorter. December 15, 2021
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