NEW YORK (Reuters Health) - A large study of middle-age women with a wide range of fat in their diet shows that eating a high-fat diet raises the risk of developing invasive breast cancer.
The findings, reported in the Journal of the
National Cancer , stem from the
National Institutes of Health-AARP Diet and Health Study, in which 188,736 postmenopausal women reported detailed information on their diet in the mid-1990s.
During an average follow-up of 4.4 years, 3501 women developed breast cancer.
Based on responses to a 124-item "food frequency" questionnaire, researchers found that women who got 40 percent of their calories from fat had about a 15 percent increased risk of developing breast cancer compared with women got 20 percent of their calories from fat.
Using a more precise 24-hour dietary recall questionnaire, "we found a 32-percent increased risk of breast cancer" among women with a high level of fats in their diet, study chief Dr. Anne C. M. Thiebaut from the National Cancer Institute in Bethesda, Maryland, noted in a telephone interview with Reuters Health.
The increased risk of breast cancer associated with a high-fat diet was seen for all types of fat (saturated, monounsaturated and polyunsaturated) and seemed to be confined to women who were not using hormone replacement therapy at the start of the study.
http://news.yahoo.com/s/nm/20070320/hl_nm/high_fat_diet_dc
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