What is the Eight Principles Differentiation?
The Eight Principles Differentiation (Ba Gang Bian Zheng) categorizes diseases into eight major types: Yin, Yang, Exterior, Interior, Cold, Heat, Deficiency, and Excess. Yin and Yang reflect the categories of diseases, Exterior and Interior indicate the depth of the disease, Cold and Heat reflect the nature of the disease, while Deficiency and Excess reflect the … Read more