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肥胖是由于机体生化和生理机能的改变而导致脂肪组织过多。一般认为体重超过标准10％(也有人定为超过20％),才诊断为肥胖体重的增加,除因脂肪过多外,也可由于水分潴留或肌肉发达,故需排除后二种情况。目前已可测定体内总脂,30岁时,正常男性总脂约为体重的15％,女性为22％,如男性超过25％,女性超过30～35％即为肥胖。分类一、单纯性肥胖 (一)体质性肥胖:是由于脂肪细胞数量增加所致,与25岁以前营养过度有关。儿童期,特别是10岁以内保持正常体重甚为重要,超重的儿童通常成为超重的成人。据研究,在10～13岁时超重者中,到31岁时有88％的女性及86％的男性仍然超重;在10～13岁时体重正常者,到31岁时,只有42％的女性及18％的男性成为超重。近年发现,在胎儿期第30周至
Obesity is due to changes in the body’s biochemical and physiological functions lead to excessive adipose tissue. Generally considered more than the standard weight 10% (also set at more than 20%), was diagnosed as an increase in obesity, in addition to excess fat, but also because of water retention or muscularity, it is necessary to rule out the latter two cases. At present, the total fat in the body can be measured. At the age of 30, the total fat of normal men is about 15% of the body weight and 22% of the women. For example, over 25% of men and over 30-35% of women are obese. Category A, simple obesity (a) constitutional obesity: due to an increase in the number of fat cells, with over-nutrition before the age of 25. It is important to maintain normal body weight during childhood, especially within 10 years of age, with overweight children often becoming overweight adults. According to the study, 88% of women and 86% of men were overweight by the age of 31 at the age of 10 to 13 years. At the age of 13-13, only 42% of women were at normal weight And 18% of men become overweight. In recent years, found in the first 30 weeks of fetal life