有研究表明 ,糖尿病及糖耐量异常使胰腺癌的患病危险增加。因肥胖和缺乏体育锻炼与胰岛素抵抗有关 ,理应增加胰腺癌危险。基于以上假设 ,为检验肥胖、身高及体育锻炼与胰腺癌的关系而进行研究。方法　对两项人群研究资料进行分析 ,分别为美国健康职业随访研究和美国护士健康研 Studies have shown that diabetes and impaired glucose tolerance increase the risk of pancreatic cancer. Due to obesity and lack of physical activity associated with insulin resistance, should increase the risk of pancreatic cancer. Based on the above assumptions, studies were conducted to examine obesity, height, and physical activity in relation to pancreatic cancer. Methods Two groups of research data were analyzed, respectively, for the United States health career follow-up study and the United States Nurses Health Research