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疲劳从起因来说分为功能性疲劳和病理性疲劳两类,功能性疲劳又包括体力疲劳、脑力疲劳、心理(精神)疲劳和混合性疲劳。对于大多数人来说,主要是功能性疲劳。这种疲劳是由机体劳累过度使新陈代谢所产生的废物如二氧化碳和乳酸,在体内积蓄起来造成的。其实疲劳的初始常是一种保护性反应。疲劳一出现,人就应该休息,经过休息,废物排除,疲劳消失,人就恢复正常。如果对出现的疲劳不加以调节,任其发展则会导致以心理疲劳为主的过度疲劳,不仅会引起人的工作能力下降,体力和脑力衰减,进而会引起心理失衡、机体抵抗力下降,可能诱发各种疾病,损害身体健康。
Fatigue from the cause is divided into functional fatigue and pathological fatigue, functional fatigue, including physical fatigue, mental fatigue, mental (mental) fatigue and mixed fatigue. For most people, it’s mainly functional fatigue. This fatigue is caused by the body overwork so that the metabolism of waste generated such as carbon dioxide and lactic acid accumulated in the body. In fact, the initial fatigue is often a protective reaction. As soon as fatigue appears, one should rest and after rest, the waste is removed and the fatigue disappears, and the person returns to normal. If you do not adjust to the appearance of fatigue, its development will lead to fatigue-based fatigue, not only can cause people to work ability decline, physical and mental decline, which will lead to psychological imbalance, body resistance may decline, may Induced a variety of diseases, damage to health.