Apr 20, 2010 4:24 PM by Bea Karnes, News First 5

What grandma ate while pregnant affects cancer rates

Whether grandma splurged on a high fat diet during pregnancy may predict her daughter's -- and granddaughter's -- risk for breast cancer.

A study of pregnant rats found those fed a high fat diet had offspring with genetic differences that increased their risk for breast cancer by as much as 80 percent. The risk was present even if the rat had a son -- and that male went on to have a daughter.

Researchers found the risk was not linked to increased estrogen production that sometimes comes with a high fat diet -- rather other factors are at work.

The study was done at Georgetown University. Experts say more studies are needed.



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