New science on cholesterol, eggs and vegetarian diets | The Seattle Times

By Carrie Dennett | April 5, 2015

The Dietary Guidelines Advisory Committee has reached some new conclusions about how Americans do and should eat.

On Nutrition

What’s in store for the 2015 Dietary Guidelines?

Every five years, the Dietary Guidelines for Americans gets an update. This gives the federal Dietary Guidelines Advisory Committee (DGAC) the opportunity to review and reflect on the changing state of the science on nutrition and health, as well as statistics about how we eat as a population, before making recommendations to the U.S. Department of Agriculture (USDA) and the U.S. Department of Health and Human Services (HHS)

Since the guidelines were first released in 1980, some recommendations have remained fairly constant, but changes have popped up over the years in response to science, politics or pressure from the food industry.

The DGAC issued its more than 500-page scientific report in February, and this year’s most dramatic change is the removal of recommendations that we limit dietary cholesterol to no more than 300 milligrams per day, in light of research suggesting that dietary cholesterol doesn’t have a major effect on our blood-cholesterol levels.

This is a significant reversal, because for decades, it was thought that eating cholesterol-containing foods, such as the much-maligned egg, contributed to higher levels of blood cholesterol, then to cardiovascular disease. Before you start eating eggs morning, noon and night, remember that eggs are also a source of saturated fat, and excess saturated may still play a role in inflammation and cardiovascular disease.

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