By Dr. Kathleen Ruddy
Risk factors you can’t change:
1) Getting older. Increasing age is a risk factor for breast cancer.
2) Being younger (less than 12 years old) when you first started your menstrual cycles.
3) Being older (over 55) when you complete menopause.
4) Being older (over 30) at the time of the birth of your first child.
5) Never having children.
6) A personal history of breast cancer.
7) A history of breast cancer in close relatives (mother, sisters, grandmothers.)
8) Possessing a genetic mutation associated with an increased risk for breast cancer (BRCA 1 or BRCA 2 mutation.)
9) A history of radiation therapy to the chest as a child or young adult. This increases the risk for breast cancer.
Risk factors you can change:
1) Breastfeeding. Never breastfeeding slightly increases your risk for breast cancer.
2) Using oral contraceptives, especially prior to your first full-term delivery. They increase the risk for breast cancer. The risk persists for ten years after you stop taking the pill.
3) Using combination hormone replacement therapy. These increase the risk for breast cancer, especially in women over the age of 60.
4) Drinking alcohol. Even 1/2 glass of wine per day increases the risk for breast cancer.
5) Being overweight increases the risk for breast cancer, and increases the risk of death from breast cancer.
6) Sedentary lifestyle. Women who do not get regular exercise have an increased risk for breast cancer. Those who exercise regularly have a decreased risk.
While the emphasis in cancer research has been on early diagnosis and better treatment with an eye to improving survival, at least 15 factors have been identified that increase a woman’s risk for breast cancer. Identifying your risk factors and making sure your primary care physicians are aware of them are important strategies to increase the likelihood of detecting breast cancer early and treating it appropriately. The risk factors can be divided into two groups: things you can change and things you cannot. Let’s look at them separately.
The majority of women who develop breast cancer have no identifiable risk factors. However, scientists have identified 15 factors that do increase a woman’s risk for breast cancer. It’s important that all women what, if any, risk factors they have and then inform their primary care physicians so that this information can be included in their medical record.
DID YOU KNOW?
In 2007 the World Health Organization (WHO) declared that oral contraceptives were Group I carcinogens, known to cause cancer in humans. Unfortunately, the WHO does not have regulatory authority in the United States, and, therefore, cannot control what drug manufacturers include in their warnings to patients who use oral contraceptives.
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