Ancient wisdom often sounds like common sense now that it is commomly taught. What is some ancient wisdom that we no longer teach because it was wrong?
I don’t know if anyone else has said it, but the belief that human illness and all that were caused by an imbalance of four bodily humors: black bile, yellow bile, blood, and phlegm. It’s an old belief where the earliest I found it being practiced was around 400 B.C.
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