疲劳是由于体力和脑力的剧烈和过度的消耗,导致人体免疫系统、神经系统、循环系统等受到损伤而变得紊乱。引起疲劳的原因有两方面,一个是生理上的原因,另一个则是由于生活节奏加快、社会竞争日趋激烈、就业压力不断增大的后果。 在一些经济发达的国家,由于办公室的工作人员每天工作十余小时,因此,因疲劳而死亡的人数直线上升,占到死亡总人数的1/3以上。从1997年开始,50至60岁年龄组的死亡率一直排在世 Fatigue is caused by the drastic and excessive exhaustion of physical and mental powers leading to damage to the body’s immune system, nervous system, circulatory system, and the like. There are two reasons for fatigue, one is physiological reasons, the other is due to the accelerating pace of life, increasingly fierce social competition, increasing employment pressure consequences. In some economically developed countries, due to office workers working more than ten hours a day, the number of deaths due to fatigue rose linearly, accounting for more than one third of the total deaths. From 1997 onwards, the mortality rates for the 50- to 60-year-olds have been consistently high