笑,老少皆会,品种繁多.早在十三世纪德国外科医生亨利就开始采用笑话在临床上为手术的病人止痛。到了十六世纪,美国教育家理查德开笑处方来治疗感冒头痛和抑郁症。现代科学家将笑作为一个专门的科学——“笑 Laughter, all ages, a wide variety of As early as the thirteenth century, German surgeon Henry began to use jokes in the clinical operation of patients with pain. By the 16th century, American educator Richard pretended to treat cold headache and depression. Modern scientists will laugh as a specialized science - "Laugh