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- 问题详情：It’swellknownthathugsmakeusfeeleasyinside.Andthisfeeling,asitturnsout,couldactuallypreventstressandprotecttheimmune(免疫)system,accordingtoanewresearchfromCarnegieMellonUniversity.Weallknowthefactthatstresscanweakentheimmunesystem.Inthisstud...
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