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How Physical Activity Can Help In Fight Against Breast Cancer

Breast cancer is a complex disease that affects millions of women across the globe each year. Though the American Cancer Society reports that only about 4% of women diagnosed with breast cancer in the United States are under age 40, women of all ages can take steps to protect themselves against this deadly disease.

Exercise benefits women in myriad ways, and that includes lowering their risk for breast cancer. The ACS notes that researchers are increasingly linking exercise to a reduced risk for breast cancer. Though the reasons behind that link remain unclear, some theorize that the positive effects of exercise on body weight, inflammation, hormones, and energy balance could be why regular physical activity helps women reduce their risk for breast cancer.

Body weight and breast cancer

The National Cancer Institute reports that being obese after menopause can significantly increase a woman’s risk for breast cancer. In addition, the ACS attributes the rise in hormone receptor-positive breast cancers to an increased prevalence of excessive body weight. Routine exercise is a highly effective way to lose weight and keep weight off, which in turn could lower women’s risk for breast cancer.

Being sedentary and breast

cancer

Exercise is not a sedentary activity, and that could be another reason why women who are physically active have a lower risk for breast cancer.

The ACS notes that more than one study has linked sitting time to a higher risk of various diseases, including breast cancer. Researchers with the ACS analyzed data from 77,462 women, who they followed for an average of 15.8 years.

None of the participants had cancer when the study started, but researchers found that women who sat for six or more hours per day during their free time had a 10% greater risk for invasive breast cancer than women who sat for less than three hours per day during free time.

Does physical activity really reduce breast cancer risk?

The human body is complex, and a host of factors, including those like age that women have no control over, can affect cancer risk. However, engaging in routine physical activity seems to be an effective way for women to reduce their risk for breast cancer. In fact, the Breast Cancer Research Foundation estimates that one-third of all breast cancer cases could be prevented with positive lifestyle choices that help women maintain a healthy weight, including exercise.

Routine physical activity can be a significant weapon in women’s arsenal as they continue their efforts to prevent and overcome breast cancer.

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