Childhood soy intake may cut breast cancer risk

March 25, 2009 According to a study of nearly 1,600 Asian Americans, women who ate more soy as youngsters appear to be 60 percent less likely to develop breast cancer.

Why it may give more protection if eaten early on isn't known, but some researchers speculate it may help developing breast tissue build a resistance to cancer promoting substances.

There's more on this study is in the journal of Cancer Epidemiology, Biomarkers and Prevention.