人到老年,生理、心理都会有明显变化,随着年龄的增长,机体各器官、组织也会有退行性改变,内环境的稳定性就会慢慢减弱。脑、心、肾三个脏器由于不再进行细胞分裂增殖,老化尤为明显。所以,人到老年,大脑功能的衰退不可避免。消化、内分泌、心血管、呼吸、泌尿、生殖系统及肌肉、骨关节均因退行性病变而出现各种各样的老年病或衰弱现象,常常年过六旬仍觉得精力旺盛,动作 People to the elderly, physical and psychological will have significant changes, with age, the body organs, organizations will have degenerative changes, the stability of the internal environment will gradually weakened. Three organs of the brain, heart and kidney, as no longer cell proliferation proliferation, aging is particularly evident. Therefore, people to the elderly, the decline of brain function inevitable. Digestive, endocrine, cardiovascular, respiratory, urinary, reproductive system and muscle, bone and joint degenerative diseases due to a variety of geriatric diseases or debilitating phenomena, often over sixty days still feel energetic, action