尽管还需要更多的研究，但从现有的发现中来看，宠物对幸福感的影响也许能解释为什么美国62%的家庭都饲养着宠物，这个数据来自美国宠物产品协会。

Despite the need for more research, the findings suggest that pets' effects on well-being may explain why 62 percent of U. S. households own a pet, according to the American pet Products Association.

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