人过中年,正是才智横溢、博学多识的时期,然而,正是从这一时期起,其机体各部分组织细胞日见衰弱,加之中老年人工作与家务的繁忙与劳累,各种疾病接踵而至,人体各器官的生理功能,也从全盛逐渐向衰退过渡。骨骼开始松脆,面部皱纹增多,视力听觉开始下降,肌肉开始松弛,脂肪细胞开始增大堆积,行动和感觉也逐渐变得迟钝,不少人的鬓发斑白。 However, it is precisely from this period that the tissues and tissues of various parts of the body are becoming increasingly weaker and weaker. In addition to the busyness and exertion of work and housework among the elderly, various kinds of people Diseases ensue, the physiological functions of various organs of the human body, but also gradually from recession to recession transition. Skeleton began to crunch, facial wrinkles increased, visual acuity began to decline, the muscles began to relax, fat cells began to increase the accumulation of action and feeling also gradually become dull, many people with hair blemishes.