DRINKING HABITS AND CORONARY HEART DISEASE

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Abstract
In a prospective study of more than 10,000 Yugoslav men residing in Bosnia and Croatia, who were first examined in 1964–1965, consumption of alcoholic beverages was related inversely to the subsequent appearance of coronary heart dlsease cilnically manifest as myocardial infarction or nonsudden coronary heart disease death. Consumption of alcoholic beverages was not so related to sudden cardiac death. Men who drank most frequently had half the subsequent incidence of overall coronary heart disease as men who seldom or never drank. This finding was true for urban residents only. Serum cholesterol and Quetelet Index were also related to coronary heart dlsease in urban areas but not in rural areas. The inverse relation of alcohol consumption to coronary heart disease incidence was statistically significant even atter taking into account differences in blood pressure, serum cholesterol levels, cigarette smoking and other variables. The apparent absence of protection against sudden death may be due to chance or it may reflect the deleterious effects of high alcohol consumption on the myocardial cells and increased vulnerablilty to lethal arrhythmias in an especially lean population. There is, in fact, a specific association of recent drunkenness with sudden death in this population. Conceivably, the acute effect of heavy drinking may be a dominant factor in the incidence of sudden death for this population.