What are 5 risk factors for breast cancer?
- Getting older.
- Genetic mutations.
- Reproductive history.
- Having dense breasts.
- Personal history of breast cancer or certain non-cancerous breast diseases.
- Family history of breast or ovarian cancer.
- Previous treatment using radiation therapy.
What is the strongest risk factor for breast cancer? After gender, age is the most influential risk factor for developing breast cancer. Women younger than age 40 account for only 4.7 percent of invasive breast cancer diagnoses and only 3.6 percent of in situ breast cancer diagnoses. Over 70 percent of all breast cancer diagnoses are made in women who are 50 or older.
What are the 4 main risk factors for cancer? Age, weight, exposure to carcinogens, and genetics can increase the risk of developing cancer. Learn more from this Did You Know? video produced by NCI’s Surveillance, Epidemiology, and End Results (SEER) program. It is usually not possible to know exactly why one person develops cancer and another doesn’t.
What is the No 1 cause of cancer? Smoking and obesity are the leading causes of cancer in the U.S., a new American Cancer Society analysis finds. Drinking is also a major cause. A fresh look at the causes of cancer has come up with some surprising numbers.