俗话说:“笑一笑,十年少”,笑之所以有 助于健康长寿,是从机体和心理两方面发挥作用的。 从人的机体角度而言,人在笑的时候,嘴角和颧骨部位的肌肉将嘴和两眼向上提拉,可以阻止面部线条下坠,保持青春容颜。人笑的时侯,有些部位的肌肉收缩,另一些部位的肌 As the saying goes: “smile, ten years less,” the reason why laughter contribute to health and longevity, both from the body and psychological play a role. From the human body point of view, when people laugh, mouth and cheekbones muscle parts of the mouth and eyes pulled up, you can prevent facial lines fall, keep youthful appearance. When people laugh, some parts of the muscle contraction, and other parts of the muscle