肥胖系指体内积累过多脂肪以致使体重超过正常标准的20%以上(正常体重〔公斤〕=身长〔厘米〕—100)。据调查,空军飞行人员中肥胖和体重过重约占10%左右,主要是单纯性肥胖。肥胖的危害性是众所周知的。它会产生各种各样的并发症,如冠心病,高血压,高脂血症,脑中风,糖尿病,脂肪肝,胆石症,消化道疾病,肺部疾病,阑尾炎,湿疹,疖肿,疝,扁平足和性功能下降。肥胖患者还可以增加手术死亡率、妊娠并发症和继发性代谢障碍。大量的资料证实,肥胖患者的平均寿命较正常体重者短,死亡率高。除此以外,肥胖 Obesity refers to the body accumulates too much fat to cause the body weight to exceed 20% of the normal standard (normal body weight [kg] = length [cm] -100). According to the survey, the air force pilots in obese and overweight about 10%, mainly simple obesity. The dangers of obesity are well known. It produces a variety of complications such as coronary heart disease, hypertension, hyperlipidemia, stroke, diabetes, fatty liver, cholelithiasis, digestive diseases, lung diseases, appendicitis, eczema, boils, hernias , Flat feet and sexual function decline. Obese patients can also increase operative mortality, pregnancy complications and secondary metabolic disorders. A large number of data confirm that the average life expectancy of obese patients shorter than normal weight, high mortality. In addition, obesity