随着社会经济的发展,人民生活水平不断提高,膳食结构发生变化及体力活动日渐减少,使超重、肥胖率无论在发达国家还是发展中国家均快速增长〔1〕。有研究表明,肥胖与高血压、冠心病、代谢综合征、糖尿病和脑卒中等慢性疾病密切相〔2〕 With the social and economic development, people’s living standards continue to increase, changes in diet and physical activity are decreasing, so that overweight and obesity rates both in developed and developing countries are rapidly growing 〔1〕. Studies have shown that obesity and hypertension, coronary heart disease, metabolic syndrome, diabetes and stroke and other chronic diseases close phase 〔2〕