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 Breast
Cancer & Fat
A
study of more than 90,000 women aged 26-46
(published in the Journal
of the National Cancer Institute, 2003 Jul
16;95(14):1079-85, Cho et al) showed
that women with the highest intakes of animal
fat had a 33% greater risk of developing
invasive breast cancer. Over the 8 years
of the study, 714 women developed invasive
breast cancer. Vegetable fats, such as olive
oil, did not affect a woman's risk and it
was not total fat but certain types of fat
(e.g saturated) that were related to breast
cancer risk. There was a higher risk of
breast cancer among women who ate foods
rich in animal fat such as red meat, cheese,
ice cream and butter during their 20s, 30s
and 40s.
Intakes
of both saturated and monounsaturated fat
from animal fats were related to modestly
elevated breast cancer risk. Among food
groups contributing to animal fat, red meat
and high-fat dairy foods were each associated
with an increased risk of breast cancer.
The study concluded that the intake of animal
fat, mainly from red meat and high-fat dairy
foods, during premenopausal years is associated
with an increased risk of breast cancer.
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Last
Updated: August 2003
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