By Denise Reynolds RD for eMaxHealth.com

There are many factors linked to breast cancer risk, some of which you cannot control. One factor that increases personal risk is simply aging. However, a new study finds that women who are older when they become pregnant also increase the risk of their daughters later developing breast cancer due to increased breast density, another established risk factor.

During the 2010 annual meeting of the American Association for Cancer Research (AACR), various studies were presented that support findings that showed that women with a mammographic density of 75% or above are five times more likely to develop breast cancer in comparison to women with a low density.

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