One key to a longer life could be a quieter brain pletely shocking and puzzling thing about this nepared to the very oldest people. REST had already been shown to be protective against Alzheimers disease.他们发现，与特别长寿的人相比，那些85岁之前就去世的人，他们大脑中名为REST的蛋白质含量较低，这种蛋白质能抑制激发大脑活动的基因，而REST已被证明可以预防老年痴呆症。