A large 2007 study showed an in the risk of obesity among people whose friends gained weight

问题描述:

A large 2007 study showed an in the risk of obesity among people whose friends gained weight
翻译

再一次2007人的大型研究调查中显示:在人群中,那些有体重增加趋势的人的朋友也存在着肥胖的危险!