论文部分内容阅读
人体的衰老,是从一个人年轻的时候就已经开始了的。20岁时,我们的肌肉、心脏、胸腺和大肠开始老化;从30岁开始老化的有食管、胃、肾脏和指甲;40岁时,软骨、静脉和毛发开始衰老;从50岁开始老化的是牙齿、皮肤和红细胞;60岁时,神经、角膜也开始老化了。在30岁到90岁的这段时间里,人的平均身高要缩短2.3%,身体表面积要减少5%。一般情况下,体重也要减轻5%……从这些衰老的现象来看,人是必须要服老的,凡事也必须量力而行。那么,这是不是意味着你可以把因自然规律而导致的体力和精力的下降,看成是自己的生命之火即将熄灭了呢?答案是否定的。
The aging of the human body has started when one was young. At age 20, our muscles, heart, thymus and colon begin to age; esophagus, stomach, kidneys and nails aged from the age of 30; cartilage, veins and hair begin to age at the age of 40; Teeth, skin and red blood cells; 60 years old, the nerves, the cornea also began to age. During the 30s and 90s, the average person’s height is 2.3% shorter and the body surface area is reduced by 5%. Under normal circumstances, but also to reduce the weight of 5% ... ... From these phenomena of aging, people must serve the old, everything must be done in accordance with the facts. So does this mean that you can see the decline of your physical and mental energy due to the laws of nature as if the fire of your own life is about to extinguish? The answer is no.