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Sitting May Hike Cancer Risk in Women

Sitting May Hike Cancer Risk in Women

Researchers from the American Cancer Society find that more leisure time sitting was associated with a higher total cancer risk in women. Risk for multiple myeloma, breast, and ovarian cancers were specifically elevated.

The higher risk was present even after taking into account BMI, physical activity, and other factors. No association was found between sitting time and cancer risk in men.

The study appears in the journal Cancer Epidemiology, Biomarkers, and Prevention.

Although researchers have shown a strong association between physical activity to cancer prevention, few studies have examined the link between sitting time and the risk of specific cancers.

Experts note that over the past few decades, time spent sitting has increased due to technological advancements such as computers and video games and changes in transportation.

Alpa Patel, Ph.D., and a team of investigators compared leisure time sitting to cancer risk among more than 146,000 men and women (69,260 men and 77,462 women) who were cancer-free and enrolled in the American Cancer Society Cancer Prevention Study II Nutrition Cohort.

Between 1992 and 2009, 18,555 men and 12,236 women were diagnosed with cancer. Researchers found longer leisure-time spent sitting was associated with a 10 percent higher risk of cancer in women after adjustment for physical activity, BMI, and other factors. The association was not apparent in men.

In women, sitting time was associated with risk of multiple myeloma, invasive breast cancer, and ovarian cancer. Once again, among men no association between sitting time and site-specific cancers was found.

The authors concluded, “Longer leisure-time spent sitting was associated with a higher risk of total cancer risk in women, and specifically with multiple myeloma, breast, and ovarian cancers, but sitting time was not associated with cancer risk in men. Further research is warranted to better understand the differences in associations between men and women.”

American Cancer Society guidelines for cancer prevention recommend reducing sitting time when possible. The authors say given the high rate of time spent sitting in the U.S., even a modest positive association with cancer can have broad public health implications.

Source: American Cancer Society/EurekAlert

Sitting May Hike Cancer Risk in Women

Rick Nauert PhD

Rick Nauert, PhDDr. Rick Nauert has over 25 years experience in clinical, administrative and academic healthcare. He is currently an associate professor for Rocky Mountain University of Health Professionals doctoral program in health promotion and wellness. Dr. Nauert began his career as a clinical physical therapist and served as a regional manager for a publicly traded multidisciplinary rehabilitation agency for 12 years. He has masters degrees in health-fitness management and healthcare administration and a doctoral degree from The University of Texas at Austin focused on health care informatics, health administration, health education and health policy. His research efforts included the area of telehealth with a specialty in disease management.

APA Reference
Nauert PhD, R. (2015). Sitting May Hike Cancer Risk in Women. Psych Central. Retrieved on August 14, 2018, from https://psychcentral.com/news/2015/07/14/sitting-may-hike-cancer-risk-in-women/86853.html

 

Scientifically Reviewed
Last updated: 6 Oct 2015
Last reviewed: By John M. Grohol, Psy.D. on 6 Oct 2015
Published on PsychCentral.com. All rights reserved.