- 问题详情:Somepeopletakelotsofexercise.Otherskeeptostrictdiets.Butaccordingtorecentresearch,thebestwaytolivealongandhappylifeissimple:Getadog.“Wehaveknownformanyyearsthatthecompanyofapetcanincreasewell-beinginanumberofways,”saysDrBonnieBeaver,ananima...
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