Studiesshowthatlaughterissomethingthatmakesyoufeelcalmo...
问题详情：Studiesshowthatlaughterissomethingthatmakesyoufeelcalmorrelaxedforbothphysicalandpsychologicalwoundsthoughitmayseemfutiletolaughinthefaceofpainandfear.WhenDanRatherinterviewedcomedianBillCosby...