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. Last Updated: 07/27/2016

Cancer, Weight Linked

NEW YORK () -- The less a woman weighs when she was born, the lower her chance of getting breast cancer later in life, according to a Harvard University study.

After factoring out known risks for breast cancer, such as family history, the researchers found that women who weighed 2.5 kilograms or less at birth had about half the risk of breast cancer as those who weighed more than 4.0 kilograms. The findings, to be published Saturday in the British medical journal The Lancet, were based on 2,151 women born between 1921 and 1965 and placed in two groups of the ongoing Nurses Health Study.