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An Egg A Day Keeps Breast Cancer Away

eggs for breast healthYet another candidate for breast cancer prevention is ... eggs.

Women who ate more eggs during their teens may be less likely to develop breast cancer.

Research from Harvard, published in Breast Cancer Research, found that higher levels of egg consumption during adolescence are associated with a decreased risk of breast cancer.

Eating dietary fiber and vegetable fat was also attributed to a reduced risk of developing the disease -- butter appeared to increase the risk.

The more scientists study the links between diet and breast cancer risk, the more facts get sifted out.

For example, some immigrant populations in the United States have lower rates of breast cancer than the general population. But second generation Americans usually have the same risk as the general population.

Such observations suggest that exposure to certain foods during childhood and adolescence may be critical in establishing a womans risk of developing breast cancer.

Lindsay Frazier and colleagues from Harvard Medical School and the Harvard School of Public Health asked 121,707 women about their eating habits during high school years.

They were asked how many servings they had eaten daily of foods such as milk, fruit, vegetables, meats, and sweets, which account for major sources of fat, vitamins and other essential nutrients.

The analysis was carefully controlled to take into account other factors that may affect the risk of developing breast cancer, such as family history, diagnosis of benign breast disease, and use of hormone replacement therapy.

The results of the survey revealed that eating more eggs, vegetable fat and dietary fiber between the ages of 1218 may decrease the risk for breast cancer, and high consumption of butter appeared to increase the risk.

The researchers suggest that eggs may protect because of their high levels of essential amino acids, vitamins and minerals, and dietary fiber may have a similar effect through its ability to bind estrogen within the digestive system.

Estrogen, a sex hormone, is essential for the normal growth and development of the breast and, yet, has also been associated with increasing a womans risk for breast cancer.

It is less clear why butter appears to have such a radically different effect from vegetable oils. The authors believe that more information on the composition of vegetable oils will be needed before an explanation can be given.

They stress that their work represents a preliminary study and that future studies are needed to establish a clearer picture of the links between diet and breast cancer.

Also see in Resources - Breast Cancer, Diet & Nutrition

Elsewhere on the Web:

Adolescent diet and risk of breast cancer

Fats and Cholesterol - The Good, The Bad, and The Healthy Diet

Nutritional Management of Breast Cancer

February 23, 2003

Last Updated August 1, 2006




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