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how to deal with sub-health

　　with the acceleration of global modernization, people are enjoying a constantly improved material life. at the same time we may gradually find ourselves confronted with the threat of sub-health, a state between health and disease.

　　one typical symptom of sub-health is continual fatigue; the victims always feels tired and suspicious of some disease, which, however, the active followers of material life yielded through their tense and hard work.