METHODS: Using the banting of obese children as an example, there were 2 groups: one is the treatment group with the obese children receiving drug to control weight, the other is the control group with the children of standard weight.

• 方法:以肥胖儿童的减肥试验为例,假设有两组儿童,一组为处理组,该组儿童为肥胖儿童组接受减肥药物控制体质量;