天有黄昏,人有暮年,这是不可改变的自然规律。人随着年龄的增高,人体各器官的功能不断衰退,表现出体力减退,视力与听力降低,行动迟缓,牙齿脱落等。这本是正常的生理现象,但常常引起老人的不安感、多余感、衰老感和死亡感的自卑心理。也有些人一 There are twilight days, people have twilight years, this is an immutable law of nature. As people age, the functions of various organs of the human body continue to decline, exhibiting physical decline, decreased visual acuity and hearing loss, slowness of movement, tooth loss and the like. This is a normal physiological phenomenon, but it often leads to feelings of inferiority, excess, senility and sense of death in the elderly. There are also some people