Role of Behavior Modification in Preventive Medicine

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Abstract
FOR many years, experts in the field of health have proposed that specific aspects of life-style, such as diet, physical activity, cigarette smoking, and consumption of alcohol, have an important influence on morbidity and mortality. Recent studies underscore such observations: excessive consumption of saturated fats and carbohydrates can raise blood lipid levels, thereby increasing risk of cardiovascular disease1 , 2 and shortening life expectancy3 , 4; physical inactivity, through mechanisms not yet well understood, is also associated with increased risk of coronary-artery disease5 6 7 8; cigarette smoking sustained over a number of years not only raises the rate of pulmonary disease, including lung cancer, . . .