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Being Overweight Raises Risk of Triple-Negative Breast Cancer

Posted: 06 Mar 2011 01:54 AM PST

Too much body fat may increase women's risk of triple-negative breast cancer, a rarer and more aggressive form of the disease; claims in a new study.

According to the Triple Negative Breast Cancer Foundation, this type of breast cancer is diagnosed when a cancer lacks three "receptors" associated with breast cancer tumors: estrogen receptors, progesterone receptors, and human epidermal growth factor receptor 2. Triple negative breast cancer does respond to chemotherapy, but more targeted receptor treatments typically don't work.

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