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Context of the problem
Obesity is at epidemic proportions in all age groups, including the older people. For instance, in USA approximately 35% of older adults are obese as determined by the body mass index (BMI, weight in kg/height in m2).1 Obesity is a risk factor for several chronic diseases and premature mortality.2 However, the effect of high BMI on mortality is less pronounced in the older people.3
Overview of the article
The purpose of the study by Han and colleagues was to examine the effect of BMI, other obesity measures (body fat, waist circumference) and lean body mass on mortality risk. They examined 877 Koreans aged 65 and older. Participants were divided into three groups (<25th, 25–75th and >75th percentile) for each body composition measure and followed over …
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