The Emperor asked: "What are the five kinds of impediment (Bi) diseases?â€
Qi Bo answered: "Encountering the three evils in winter induces bone impediment (Bi); encountering them in spring induces sinew impediment (Bi); encountering them in summer induces blood vessel impediment (Bi); encountering them in late summer induces flesh impediment (Bi); encountering them in autumn induces skin impediment (Bi)."
Key words: discussion of impediment diseases, in the plain question
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