前不久,联合国环境调查组织——世界观察协会公布的一项调查报告表明,肥胖正在成为世界范围的一个主要问题,与80年代相比,全世界超重人数大幅度增长,已有12亿人。美国有55％的人超重,23％的成人痴肥,20％的儿童痴肥或超重;英国有1/5的妇女和1/6的男性痴肥,45％的男性和33％的妇女超重。在西方国家,每年花在肥胖症上的支出占医疗总支出的2％～5％。 Not long ago, a survey released by the United Nations Environment Program and the Worldwatch Institute showed that obesity is becoming a major problem in the world. Compared with the 1980s, the number of overweight people in the world has risen sharply to 1.2 billion. In the United States, 55% are overweight, 23% are obese, 20% are obese or overweight; one in five women in the United Kingdom and one in six males are obese, 45% are males and 33% are overweight. In Western countries, the annual expenditure on obesity accounts for 2% -5% of the total medical expenditure.