老年痴呆症的病因较为复杂,有研究显示,脑部血流障碍与老年性痴呆发生有较密切关系。日本保健专家认为,中年人经常活动或多刺激手指,可以提高血管弹性及促进脑部血流循环,从而有助预防痴呆发生。 原因是手和大脑在神经生理上有密切联系。比如当闭起双眼,触摸一下某东西,人们大致都可以判断它是什么东西,这是因为手指的触觉神经和大脑直接联系,用手摸到的东西形象就会 The cause of Alzheimer’s disease is more complicated, studies have shown that cerebral blood flow disorders and the occurrence of Alzheimer’s disease are more closely related. Japanese health experts believe that middle-aged people often or more stimulation of the fingers, can increase blood vessel elasticity and promote blood circulation, which can help prevent dementia. The reason is that the hand and the brain are closely linked in neurophysiology. For example, when you close your eyes and touch something, people can roughly determine what it is, because the finger’s sensory nerve and the brain are in direct contact with each other,