When it comes to friendships, it’s important to have some things in common.提到友谊，人们一贯的想法是（朋友间）有共同点很重要。However, while enjoying the same films and having similar taste in restaurants might seem important, the real test of a strong friendship could lie in your genetics.然而，相似的选择电影、餐馆的品味似乎是很重要的，实际上对友谊的测试可能在于基因。This is because friends are more genetically similar than strangers, claims a new study published in Proceedings of the National Academy of Sciences.《美国国家科学院院刊》上发表的一项研究称，这是因为与陌生人相比，朋友之间的基因更相似。A team of researchers from Stanford, Duke and the University of Wisconsin examined 5,500 American adolescents using data from the National Longitudinal Study of Adolescent to
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