Ways To Reduce Your Risk of Breast Cancer

Recent research has shown that physical activity positively impacts hallmarks associated with breast cancer, thereby lowering the risk of breast cancer occurrence. To best make an impact on breast cancer risk, the American Cancer Society recommends participating in 150-300 minutes of moderate-intensity exercise or 75-150 levels of high-intensity exercise. Additionally, regular exercise can help maintain a healthy BMI (Body Mass Index), which is another critical factor in reducing breast cancer risk. 

Obesity is associated with a higher risk of breast cancer, especially for postmenopausal women. After menopause, the ovaries produce less estrogen, leaving most of the estrogen production to fatty tissue. This increase in estrogen stimulates breast tissue growth, leading to a higher chance that a cancer-causing mutation occurs. Therefore, to lower breast cancer risk, maintaining a healthy weight is crucial, as reducing excess body fat can help limit estrogen production and protect against breast cancer.

Having family members with breast cancer can increase the risk of being diagnosed; however, this is not the only risk factor. It is estimated that only 5-10% of breast cancer cases are hereditary, attributing the other 90-95% of cases to other risk factors. Nevertheless, a woman with a family history of breast cancer should see a medical professional to evaluate their risk.

An analysis of over 150,000 women found that those currently using oral contraceptives had a 24% higher risk of developing breast cancer, while women who had ever used them faced a 7% increase. This heightened risk is linked to the estrogen in these pills. However, the study found that the risk decreased after stopping contraceptive use, with no increased risk observed ten years after discontinuation. Women concerned about this risk should consult with a healthcare provider to weigh the benefits and potential risks of oral contraceptives.