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In the face of contradictory evidence: Report of the Dietary Guidelines for Americans Committee

In the face of contradictory evidence: Report of the Dietary Guidelines for Americans Committee

In the face of contradictory evidence: Report of the Dietary Guidelines for Americans Committee

Adele H. Hite, M.A.T.a, Richard David Feinman, Ph.D.bCorresponding Author Informationemail address, Gabriel E. Guzman, Ph.D.c, Morton Satin, M.Sc.d, Pamela A. Schoenfeld, R.D.e, Richard J. Wood, Ph.D.f

Abstract

Concerns that were raised with the first dietary recommendations 30 y ago have yet to be adequately addressed. The initial Dietary Goals for Americans (1977) proposed increases in carbohydrate intake and decreases in fat, saturated fat, cholesterol, and salt consumption that are carried further in the 2010 Dietary Guidelines Advisory Committee (DGAC) Report. Important aspects of these recommendations remain unproven, yet a dietary shift in this direction has already taken place even as overweight/obesity and diabetes have increased. Although appealing to an evidence-based methodology, the DGAC Report demonstrates several critical weaknesses, including use of an incomplete body of relevant science; inaccurately representing, interpreting, or summarizing the literature; and drawing conclusions and/or making recommendations that do not reflect the limitations or controversies in the science. An objective assessment of evidence in the DGAC Report does not suggest a conclusive proscription against low-carbohydrate diets. The DGAC Report does not provide sufficient evidence to conclude that increases in whole grain and fiber and decreases in dietary saturated fat, salt, and animal protein will lead to positive health outcomes. Lack of supporting evidence limits the value of the proposed recommendations as guidance for consumers or as the basis for public health policy. It is time to reexamine how US dietary guidelines are created and ask whether the current process is still appropriate for our needs.

FANTASTIC take down of the latest dietary guidelines for americans, 2010 version. This is the report behind the food pyramid, mypyramid, and mypyramid.gov. Basically the whole food pyramid is based on sloppy science, and more importantly, misrepresenting the science that's out there. This report here just shreds the dietary guidelines put out by the federal government. Basically the evidence for fiber, fruits and vegetables, and low fat eating is just not there, despite decades of research designed to "prove" the lipid hypothesis. The feds keep trying to force a square peg into a round hole. Bottom line, avoid sugar, grains (especially processed), eat some fruits and veges, but don't get obsessive about it, and eat lots of quality meat. I would add preferably grassfed meat, and wild caught seafood. Real food, mostly meat, some plants, to paraphrase the author of the Omnivore's dilemma.
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