人脑在整个生命进程中具有维持正常功能的作用,但随着年龄的增长,伴随着DNA损伤、蛋白质降解增加而发生的神经退行性疾病变得更为多见。近年来,已发现在年轻和老年人脑室下区(SVZ)、嗅球(OB)和海马等局部脑区内存在着神经发生,并且能通过饮食、锻炼、营养因子等因素影响其增殖 The human brain has the function of maintaining normal function throughout the course of life, but with age, neurodegenerative diseases that occur with increased DNA degradation and DNA damage become more common. In recent years, it has been found that there is neurogenesis in the subventricular zone (SVZ), olfactory bulb (OB) and hippocampus in young and old people, and it has been impacted by diet, exercise, trophic factors and other factors