近年来 ,高脂血症和糖尿病的关系得到了人们普遍关注 ,肥胖和 2型糖尿病发生的关系密切。西方流行病学调查发现 ,体重指数大于 35的人群比体重指数在 2 3～ 2 5之间的人群糖尿病发病率高 10～2 0倍[1] 。在美国 ,超过标准体重 4 6 %的人群中 ,空腹高血糖和葡萄糖耐量异常者所占 In recent years, the relationship between hyperlipidemia and diabetes has been widespread concern, obesity and type 2 diabetes are closely related. Western epidemiological survey found that people with body mass index greater than 35 have 10 to 20 times higher prevalence of diabetes than those with body mass index between 23 and 25 [1]. In the United States, people over the standard weight of 46%, fasting hyperglycemia and impaired glucose tolerance