Overweight or obese has long been recognized as a risk factor for type 2 diabetes.超重或肥胖早已認識到作為一個危險因素， 2型糖尿病。 The results of a new study are clarifying the nature of the link between weight and diabetes.在一項新的研究結果是澄清的性質之間的聯繫，重量和糖尿病。 According to a report published today in the Nature, a protein released by fat tissue causes insulin resistance in mice.據報導，在今天出版的性質，一種蛋白質所發表的脂肪組織的原因胰島素抵抗的小鼠。

Overweight people have protein RBP 4 almost twice as that of non-obese population.超重的人有蛋白的限制性商業慣例4月的近兩倍，即非肥胖人口。 The main function of the protein RBP4 is to deliver vitamin A to body tissues.主要職能是蛋白質rbp4是提供維生素A ，以身體組織。 The scientists found higher levels of RBP 4 is linked with insulin resistance in mice studies.科學家發現，更高水平的限制性商業慣例四是聯繫在一起的胰島素抵抗小鼠的研究。

“Being resistant to insulin is one of the major causes of diabetes,” Barbara B. Kahn of the Beth Israel Deaconess Medical Center and Harvard Medical School says. “正在抗胰島素是其中一個主要的原因，糖尿病， ”芭芭拉乙卡恩的什麼以色列deaconess醫學中心和哈佛醫學院的說。 “And even in the absence of diabetes, insulin resistance is a major risk factor for heart disease and early mortality.” “而且即使在沒有糖尿病，胰島素抵抗是一個重要的危險因素，心髒病和早期死亡率” 。

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