人到中年应防病于未然,尤其是应注意预防积劳成疾。 造成积劳成疾的原因主要是:其一,工作和劳动的任务过重,超过了身体的负荷能力。其二,精神负担过重。当然,造成积劳成疾的原因很多,每个人的情况又大不一佯。但是,其发展规律都是相同的。积劳成疾开 To middle-aged people should prevent disease in the first place, in particular, should pay attention to prevent overwork. The main reasons for this are: First, the tasks of work and labor are excessive, exceeding the capacity of the body to load. Second, the mental burden is too heavy. Of course, there are many reasons that lead to over-exertion, and the situation of each individual is greatly different. However, the law of development is the same. Accumulation into disease open