Obesity is a very common health problem to modern people.As World Health Organization (WHO) has regarded obesity as one of chronic diseases in 1996, it becomes an issue which worths to be understood.

• 摘要肥胖是现代人常见的健康问题，1996年世界卫生组织(WHO)已将肥胖列为慢性疾病，肥胖是一个值得深入去了解的问题。