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American Heart Association Dietary Guidelines

Emphasizes on Flexibility in Food Selection

New dietary guidelines from the American Heart Association make sticking to the rules a bit easier. And the association issued some refinements in what people should or should not eat.

The new AHA recommendations, published October 1, 1997 in the journal Circulation, are more consistent with the guidelines of the U.S. Department of Agriculture and the Department of Health and Human Services. The last update by the AHA was in 1988.

Ronald Krauss, M.D., chairman of the AHA's volunteer Nutrition Committee, says, "Perhaps the most dramatic change is that we are emphasizing the characteristics of the total diet (over several days or a week) rather than what one eats in any given meal or even on a given day. This allows some flexibility in choosing foods and fits the theme of consuming a variety of foods and reducing guilt from eating something 'bad' now and then."

Some of the other significant changes in the guidelines are:

Dr. Krauss notes, "There are many refinements but no fundamental changes from our tried-and-true guidelines. Over the years, they have been very effective in helping to decrease heart disease risk in the United States."

The AHA identifies some dietary issues requiring more research, notably antioxidant vitamin supplements, vitamin intake as it relates to homocysteine levels (an independent predictor of heart disease risk), very low-fat diets and fat substitutes, diet supplementation with omega-3 fatty acid (found in fish oils), soy protein, and genetic factors affecting dietary response to foods and nutrients. The Nutrition Committee plans to publish scientific statements in each of these areas and update them regularly to reflect changing research.

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