随着生活水平的提高和饮食结构的变化,肥胖已逐渐成为重要的世界性的健康问题。西方国家约半数以上的成年人超重,通常女性多于男性。我国对肥胖症的患病人群没有确切统计过,但总的来说,较欧美国家低,程度较轻,但近年来有增多的倾向,尤其是儿童。 With the improvement of living standard and diet structure, obesity has gradually become an important worldwide health problem. More than half the adults in Western countries are overweight, usually more women than men. In our country, there is no exact statistics on the prevalence of obesity. However, overall, it is lower and less severe than those in Europe and the United States, but tends to increase in recent years, especially children.