21 Facts About Breast Cancer

Breast cancer is the most common cancer in American women. There are over 3.1 million breast cancer survivors in the United States, including those who are still being treated and those who have completed treatment. To raise awareness about breast cancer, here are 21 facts you should know.

  1. In the United States, a woman has a one in eight chance of being diagnosed with breast cancer in her lifetime.

  2. The leading risk factor is being a woman. 99% of new cases of breast cancer are in women.

  3. Each year, over 220,000 women will be diagnosed with breast cancer.

  4. At this time, there are more than 3.8 million breast cancer survivors in the United States.

  5. 64% of breast cancer cases are diagnosed at a localized stage.

  6. Eight out of 10 cases of breast cancer are diagnosed in women aged 50 and over.

  7. Eight out of 10 women who get breast cancer do not have a family history of the disease.

  8. About 5 to 10% of breast cancers can be traced to inherited gene mutations, including BRCA1 and BRCA2 gene mutations.

  9. Breast cancer is the second-leading cause of cancer death in women after skin cancer.

  10. Women often detect breast cancers themselves. Don’t underestimate the importance of a monthly breast self-exam!

  11. Moderate exercise of 150 minutes per week reduces your breast cancer risk.

  12. Younger women who smoke have a higher risk of breast cancer.

  13. Women who started menstruating early or went through menopause later have a slightly higher risk of breast cancer.

  14. Mammograms are proven to reduce the rate of death from breast cancer.

  15. If you have dense breast tissue, you are more likely to be diagnosed with breast cancer.

  16. With early detection, the five-year survival rate for breast cancer is nearly 100%.

  17. In recent years, incidence rates have increased by 0.5% per year.

  18. From 2013 to 2018, the breast cancer death rate went down by 1% a year.

  19. For every 12 months a woman breastfeeds, her risk of breast cancer decreases by 4.3%.

  20. Alcohol consumption has been linked to an increase in risk of breast cancer.

  21. Increased body weight and weight gain are linked with a higher risk of breast cancer after menopause.