About this ebook
中醫學把各種致病因素統稱為「邪氣」，把人體正常的功能活動及人體具有的抗病能力和康復能力，稱為「正氣」。疾病的發生和變化，就是人體在一定的條件下，邪氣與正氣相互鬥爭的具體反映。正氣不足是疾病產生的內在因素，中醫發病學非常重視人體正氣，所謂「正氣存內，邪不可干」。
註：本書內容為簡體中文
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