Breast Cancer Causes and Risk Factors There are several risk factors for breast cancer, with some being more common than others. One of the most common risk factors is age, with the majority of breast cancer cases occurring in women over the age of 50. Other risk factors include family history, personal history of breast cancer, certain genetic mutations, and certain lifestyle choices. Family history is one of the most important risk factors for breast cancer. If you have a mother, sister, or daughter who has had breast cancer, your risk of developing the disease is increased. Personal history of breast cancer is also a significant risk factor. If you have previously been diagnosed with breast cancer, your risk of developing a new breast cancer is increased. Certain genetic mutations can also increase your risk of breast cancer. The most common of these is the BRCA1 or BRCA2 mutation. Women with these mutations have a significantly increased risk of developing breast cancer. lifestyle choices can also affect your risk of breast cancer. Alcohol consumption and obesity are both linked to an increased risk of the disease. While there are many risk factors for breast cancer, there are also many things you can do to reduce your risk. Regular mammograms and breast exams can help catch breast cancer early, when it is most treatable. Maintaining a healthy lifestyle by eating a healthy diet, exercising regularly, and maintaining a healthy weight can also help reduce your risk of developing the disease. If you're diagnosed with breast cancer, make sure to consult with a breast specialist doctor Singapore for the best treatment plan.