肥胖是由多种因素引起体内脂肪蓄积过多、体重超常而形成的一种慢性代谢疾病。体重超过标准体重10％-19％为超重,超过20％则为肥胖。引起肥胖的原因引起肥胖的原因很多,概括起来可归纳为四大类: A.饮食异常:发达国家的经验证实,社会发展由贫穷到富庶的阶段是肥胖发生的高峰期,原因是食物的可得性发生了变化。学者认为在不能保障食物供给的年代,人类为生存将摄入的热量贮存起来维持生命,当食物的供给保证充足时,人们就会更多地非正常地摄取食物,形成肥胖人群。 B.遗传因素:肥胖者通常有明确的家族史,父亲或母亲肥胖,其子女 Obesity is caused by a variety of factors, excessive body fat accumulation, overweight and form a chronic metabolic disease. Overweight 10% -19% of standard weight is overweight, while over 20% are obese. The causes of obesity cause obesity for many reasons, can be summed up in four categories: A. Abnormal diet: The experience of developed countries confirmed that the stage of social development from poverty to affluence is the peak of obesity, because the food can be Suffice it to change. Scholars think that in the age when food supply can not be guaranteed, mankind will save the calories it ingests for its survival. When the supply of food is sufficient, people will consume more food abnormally and form obese people. B. Genetic factors: obese people usually have a clear family history, fathers or mothers, their children