Sittingformorethanthreehoursadaycandecreaseaperson’slif...
問題詳情：Sittingformorethanthreehoursadaycandecreaseaperson’slifeexpectancy(預期壽命)bytwoyears,evenifheorsheisphysicallyactiveandgetsridofdangeroushabitslikesmoking,accordingtoastudy.WatchingTVformor...