美国科学家曾做过一项实验,他们将73位平均年龄81岁以上的老人分成三组,分别为自觉勤于思考的;思维迟钝的;受人管理的。实验结果,第一组血压、记忆力和寿命都达到了最佳指标,3年后,他们都还健在。可第二、第三组老人的死亡率分别达到了12%和37%。也许有人认为,动脑即意味着“绞 American scientists have done an experiment, they will be the average age of 73 73-year-old elderly were divided into three groups, namely, consciously diligent thinking; slow thinking; managed. The experimental results, the first group of blood pressure, memory and life have reached the best indicators, three years later, they are still alive. In the second and third groups, the death rates of the elderly reached 12% and 37% respectively. Some people may think that the mind means "twisted