Diabetes Forecast

Postmenopausal Women: Sit Less and Move More


Postmenopausal women who don’t exercise have body cells that are biologically about eight years older than those of women who exercise regularly. Among 161,808 white and African American women ages 50 to 79 who wore an activity-measuring device, those who spent 10 or more hours a day sitting or lying down had shorter telomeres than did those with less than eight sedentary hours a day. Telomeres are the “caps” at the tips of your chromosomes that normally shorten as you age—but that rate varies greatly. The findings held true after adjustments for factors that could influence or hasten cell aging, such as race and ethnicity, smoking, alcohol use, chronic conditions such as diabetes, and body mass index (BMI, a ratio of height to weight that helps determine obesity). 
Source: American Journal of Epidemiology, published online Jan. 18, 2017



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