Increasing your exercise levels and reducing your body mass index can help reduce your risk of triple-negative breast cancer, according to research using data from the Women’s Health Initiative. Researchers analyzed records of 162,000 women, 3,116 of whom had complete tumor marker data; 307, or 10 percent, of these were triple-negative.

The research was published in the March issue of Cancer Epidemiology, Biomarkers and Prevention. Michele Sullivan, of Internal Medicine News, explains the research and interviews the lead researcher, Amanda I. Phipps, Ph.D.

Of special note is that fact that weight gain between age 35 and 50 was the most risky. A body mass index above 31 and below 23.75 were also risk factors.

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