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Even low-fat diets pose fat-linked risk.

Even low-fat diets pose fat-linked risk

Many studies of women in Europe and North America have linked high-fat diets with breast cancer. A new Chinese study--focusing on diets considered low-fat by Western standards--strengthens the notion that the risk of breast cancer rises with an increase in fat consumption. On average, study participants derived only 22.7 percent of their calories from fat, whereas Americans average 38 to 40 percent.

Researchers from Shanghai Medical University and Canada's National Cancer Institute in Toronto interviewed 186 women with breast cancer, 186 healthy women living in the same urban Shanghai neighborhoods and 186 women hospitalized nearby with other malignancies associated with different risk factors. The 20 percent who consumed the most calories (a daily average of 3,142) and fat (34 percent of calories) had nearly double the breast cancer risk of the 20 percent who consumed the fewest calories (1,733) and least fat (13.8 percent), the scientists report in the Aug. 15 CANCER RESEARCH.

While the Shanghai women consumed nearly 70 percent of their fat calories in the form of monounsaturates, North Americans consume about 44 percent from monounsaturated fats and another 44 percent from saturated fats. Together with the Western findings, the new Chinese data suggest that for breast cancer risk, the quantity of fat consumed matters more than than the type of fat selected.
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Title Annotation:breast cancer
Publication:Science News
Date:Aug 25, 1990
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