Women Who Sit Too Much Have Higher Cancer Risk
Here’s a new reason to avoid sitting too much: It may, according to research from the United Health Network in Toronto, increase the risk of certain cancers for women.
The researchers analyzed data from the American Cancer Society’s Cancer Prevention Study II Nutrition Survey, which included information from about 70,000 men and 77,000 women.
Their findings, published in Cancer Epidemiology, Biomarkers & Prevention, suggest that women who sat longer than six hours a day were at a higher risk of developing breast cancer, ovarian cancer and multiple myeloma compared with women who sat for les than three hours a day.
In addition to raising the risk of those specific cancer types, prolonged sitting raised overall cancer risk by 10 percent, according to the analysis.
Men, however, did not appear to be at an increased risk from sitting too long–although obese men who sit for long periods of time had an 11 percent increased risk of developing cancer.
Several factors may account for the association between sitting and an increased risk of cancer. Prolonged periods of sitting have been found to have metabolic consequences and can alter levels of triglycerides, high-density lipoprotein, cholesterol, glucose and other biomarkers of a variety of chronic diseases.
The study highlights the importance of having an active lifestyle and moving frequently–particularly for those working in an office environment.
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