作者
William T Cefalu, Zhong Q Wang, Sandra Werbel, Audrey Bell-Farrow, John R Crouse III, William H Hinson, James G Terry, Randy Anderson
发表日期
1995/7/1
期刊
Metabolism
卷号
44
期号
7
页码范围
954-959
出版商
WB Saunders
简介
Recent studies have shown that central obesity (increased waist to hip ratio [WHR]) is related to insulin resistance and aging. Furthermore, in central-obesity states, the intraabdominal fat (IAF) depot has been postulated to contribute most to the development of insulin resistance. Therefore, the observed insulin resistance of aging may be related more to changes in body composition than to aging per se. The purpose of this study was to explore the association of IAF with age and insulin sensitivity (S1) after controlling for obesity. We examined 60 healthy nondiabetic subjects (normal 75-g oral glucose tolerance test, aged 23 to 83, 15 men and 45 women). We chose subjects so that those ⪕125% and greater than 125% of ideal body weight were equally represented in each age decade. We quantified total and subcutaneous abdominal fat and IAF at the umbilicus using a validated magnetic resonance imaging (MRI …
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