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It is unclear to what extent the apparently beneficial cardiovascular effects of moderate alcohol consumption are mediated by protection against atherosclerosis. Alcohol consumption, coronary heart disease risk factors, and coronary calcification (a marker of atherosclerosis) were measured during 15 years of follow-up in the Coronary Artery Risk Development in Young Adults (CARDIA) Study (1985-2001). Among 3,037 participants aged 33-45 years after follow-up (55% women, 45% Black), the prevalence of coronary calcification was 8% for consumption of 0 drinks/week (n = 1,435), 9% for 1-6 drinks/week (n = 1,023), 13% for 7-13 drinks/week (n = 341), and 19% for > or = 14 drinks/week (n = 238) (p or = 14 drinks/week) was associated with coronary calcification in other race/sex subgroups. These surprising findings suggest the presence of proatherogenic effects of alcohol in young adults, especially Black men, which may counterbalance high density lipoprotein cholesterol elevation and other possible benefits of alcohol consumption.
Pletcher et al. (Thu,) studied this question.
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