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人到老年以后,机体各个器官的功能都会有所下降,容易发生疾病。但由于老人神经系统的敏感性降低,机体的反应性差,特别是一些年迈体弱、长期卧床者,他们有时就算存在着严重的疾病,也可能没有具体而明确的表现,医学上将它们称之为隐性疾病,或隐匿性疾病。例如,有的老人得了肺炎,常不表现出发热或咳嗽、咳痰症状,而只是精神状况不佳,不愿进食。所以老人要经常上医院作常规的体检,
When people reach old age, the functions of various organs in the body will be reduced and diseases will easily occur. However, due to the lower sensitivity of the elderly nervous system and the poor reactivity of the body, especially some elderly and infirm persons who are bedridden, they sometimes have serious diseases or may not have specific and definite manifestations, and they are medically referred to as As a recessive disease, or occult disease. For example, some elderly people have pneumonia and often do not show symptoms of fever, cough and expectoration. They are only in poor mental condition and do not want to eat. Therefore, the elderly often go to the hospital for routine physical examination,