True or False: 10 Theories About Breast Cancer

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  • breast cancer, Breast Cancer Awareness
  • breast cancer, Breast Cancer Awareness Month
  • breast cancer, Breast Cancer Awareness
  • breast cancer, Breast Cancer Awareness Month
  • breast cancer, Breast Cancer Awareness Month
  • Breast Cancer Awareness Month, breast cancer
  • breast cancer, Breast Cancer Awareness Month
  • breast cancer, Breast Cancer Awareness Month
  • breast cancer
  • breast cancer, Breast Cancer Awareness Month

“Being a Woman Is the Main Risk Factor for Breast Cancer”

TRUE: Women have more breast tissue than men and women's cells exposed to the growth-promoting effects of the female hormones estrogen and progesterone. Combined, these hormones are known to increases breast cancer risk. (Source: The American Cancer Society)

(Photo: Matt McClain for The Washington Post via Getty Images)

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