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Alcohol and cardiovascular disease.

E Rimm1

  • 1Department of Nutrition, Harvard School of Public Health, 665 Huntington Avenue, Boston, MA 02115, USA. eric.rimm@channing.harvard.edu

Current Atherosclerosis Reports
|December 21, 2000
PubMed
Summary

Moderate alcohol consumption is linked to reduced coronary heart disease risk. This association may be causal, influenced by beneficial effects on lipids and clotting factors, but initiating drinking is not advised.

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Area of Science:

  • Cardiology
  • Epidemiology
  • Public Health

Background:

  • Over 70 studies suggest moderate alcohol intake is linked to lower coronary heart disease (CHD) risk in healthy individuals.
  • Emerging evidence indicates this association may be causal, partly due to alcohol's positive effects on serum lipids and clotting factors.
  • The inverse relationship between alcohol and cardiovascular disease (CVD) has also been observed in diabetic populations and those with pre-existing CVD.

Purpose of the Study:

  • To synthesize evidence on the cardiovascular benefits of moderate alcohol consumption.
  • To evaluate the potential causal link between alcohol intake and reduced cardiovascular disease.
  • To assess the applicability of these findings to specific populations, including those with diabetes and prior cardiovascular events.

Main Methods:

  • Review and synthesis of epidemiological studies examining alcohol consumption and cardiovascular disease outcomes.
  • Analysis of potential biological mechanisms, including effects on lipids and clotting factors.
  • Examination of evidence across diverse populations, including healthy individuals, those with adult-onset diabetes, and individuals with prior cardiovascular disease.

Main Results:

  • Consistent association between moderate alcohol consumption and reduced risk of coronary heart disease.
  • Evidence suggests a causal relationship, mediated by favorable changes in serum lipids and blood clotting.
  • Benefits observed in healthy populations extend to individuals with adult-onset diabetes and those with a history of cardiovascular disease.

Conclusions:

  • Mounting evidence supports the cardiovascular benefits of moderate alcohol consumption for most populations.
  • Clinical recommendations for initiating alcohol consumption in abstainers are not yet substantiated and require cautious, individualized assessment.
  • Further research is needed to fully understand the risks and benefits across different demographics and health statuses.

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