Causes of Breast Cancer - National Breast Cancer Foundation - what causes breast cancer in women

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Breast cancer causes | Breast Cancer Now what causes breast cancer in women


Breast cancer is cancer that forms in the cells of the breasts. After skin cancer, breast cancer is the most common cancer diagnosed in women.

Breast cancer is the most common invasive cancer in women and the second leading cause of cancer death in women after lung cancer.

Did you know that 1 in 8 women will be diagnosed with breast cancer in her lifetime? While you can't prevent cancer, it is important to be proactive about your .

The precise causes of breast cancer are unclear, but we know the main risk factors. Still, most women considered at high risk for breast cancer.

There's no single cause of breast cancer, but certain things affect your chance of getting it. Most breast cancers (80%) occur in women over the age of