How is Breast Cancer Caused?

August 7, 2023 | by Yashaswi Pathakamuri | Posted in FAQ's

Breast Cancer

Breast cancer is a complex disease, and its exact causes are not fully understood. It typically develops when certain changes (mutations) occur in the DNA of breast cells, leading to uncontrolled growth and division of abnormal cells. While the specific causes of these mutations are not always clear, several risk factors are associated with an increased likelihood of developing breast cancer:

  1. Age and Gender: The risk of breast cancer increases with age, and women are more susceptible to breast cancer than men.
  2. Family History and Genetics: A family history of breast cancer, particularly if close relatives (such as a mother or sister) have had the disease, can increase the risk. In some cases, inherited gene mutations, such as BRCA1 and BRCA2, can significantly raise the risk of breast cancer.
  3. Personal History of Breast Cancer: Having a history of breast cancer in one breast increases the risk of developing cancer in the other breast or having a recurrence.
  4. Hormonal Factors: Prolonged exposure to estrogen (such as early menstruation or late menopause) may increase the risk of breast cancer. Hormone replacement therapy (HRT) after menopause can also be a contributing factor.
  5. Reproductive Factors: Women who have never had children or had their first child after the age of 30 may have a slightly higher risk of breast cancer.
  6. Lifestyle Factors: Certain lifestyle choices can affect breast cancer risk, such as excessive alcohol consumption, smoking, being overweight or obese, and a sedentary lifestyle.
  7. Radiation Exposure: Prior exposure to radiation therapy to the chest area, especially at a young age, can increase the risk of breast cancer.

It is essential to note that having one or more risk factors does not necessarily mean someone will develop breast cancer, as many individuals with breast cancer have no known risk factors.

Early detection through regular breast self-exams, clinical breast exams, and mammograms is crucial for identifying breast cancer at an early stage when treatment outcomes are generally more favorable. If you have concerns about breast cancer or potential risk factors, it’s best to consult with a healthcare professional who can provide personalized guidance and recommend appropriate screenings.

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