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Depression: 21st Century Solutions + The Dark Side of Wheat

Abstract Title:

A quantitative analysis of fish consumption and coronary heart disease mortality.

Abstract Source:

Am J Prev Med. 2005 Nov;29(4):335-46. PMID: 16242600

Abstract Author(s):

Ariane König, Colleen Bouzan, Joshua T Cohen, William E Connor, Penny M Kris-Etherton, George M Gray, Robert S Lawrence, David A Savitz, Steven M Teutsch

Article Affiliation:

Harvard Center for Risk Analysis, Harvard School of Public Health, Boston, Massachusetts 02115, USA.

Abstract:

Although a rich source of n-3 polyunsaturated fatty acids (PUFAs) that may confer multiple health benefits, some fish contain methyl mercury (MeHg), which may harm the developing fetus. U.S. government recommendations for women of childbearing age are to modify consumption of high-MeHg fish to reduce MeHg exposure, while recommendations encourage fish consumption among the general population because of the nutritional benefits. The Harvard Center for Risk Analysis convened an expert panel (see acknowledgements) to quantify the net impact of resulting hypothetical changes in fish consumption across the population. This paper estimates the impact of fish consumption on coronary heart disease (CHD) mortality and nonfatal myocardial infarction (MI). Other papers quantify stroke risk and the impacts of both prenatal MeHg exposure and maternal intake of n-3 PUFAs on cognitive development. This analysis identified articles in a recent qualitative review appropriate for the development of a dose-response relationship. Studies had to satisfy quality criteria, quantify fish intake, and report the precision of the relative risk estimates. Relative risk results were averaged, weighted proportionately by precision. CHD risks associated with MeHg exposure were reviewed qualitatively because the available literature was judged inadequate for quantitative analysis. Eight studies were identified (29 exposure groups). Our analysis estimated that consuming small quantities of fish is associated with a 17% reduction in CHD mortality risk, with each additional serving per week associated with a further reduction in this risk of 3.9%. Small quantities of fish consumption were associated with risk reductions in nonfatal MI risk by 27%, but additional fish consumption conferred no incremental benefits.

Study Type : Meta Analysis

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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