Our recently published study answered this question by tracking a large national random sample of Americans over a critical time period when bodies change from teenage shape into adult form and when people build their identities.
我们最近发表的研究回答了这个问题,方法是在身体从青少年体型转变为成人体型以及人们建立身份的关键时期跟踪大量全国随机抽样的美国人。