“生命在于运动。”运动能塑造我们强健的身体,增强我们抵抗疾病的能力。然而,对人体而言,运动也是有极限的,一旦过了这个极限,对人可能非但无益,反而会有害了。最近,美国神经科学家贾斯廷·罗德就在研究中发现,那些运动成(yǐn)____的老鼠比运动量正常的老鼠反应迟钝,由此罗德 “Life is sport.” Sport can shape our strong body and strengthen our ability to resist disease. However, as far as the human body is concerned, there is limit to the movement. Once this limit is reached, it may not only be useless for people, but it will be harmful. Recently, the American neuroscientist Justin Roder discovered in the study that those rats that had become motile (yǐn)____ were less responsive than normal rats, thus Rod