无论体力劳动者还是脑力劳动者,只要劳累过度又休息偏少,就会出现头昏、腿酸、全身无力等症状,这种疲劳在正常情况下,经过适当的休息调整即可恢复,即所谓“生理性疲劳”。然而,如并不过度劳累,休息时间尚可,仍感疲乏无力,懒于做事,则应引起警惕,因为这种不明原因的疲乏很可能是某种严重疾病的早期信号,即“病理性疲劳”。临床上可出现病理性疲劳的疾病主要有: Both manual and mental workers, as long as overwork and rest less than normal, there will be dizziness, leg soreness, general weakness and other symptoms, this fatigue under normal circumstances, after an appropriate rest adjustment can be restored, the so-called Physiological fatigue. However, if not over exertive, rest time is acceptable, still feel tired and weak, lazy to do things, you should be alert, because this unexplained fatigue is likely to be an early sign of a serious disease, namely “pathological fatigue ”. Pathological fatigue may occur in clinical diseases are: