Fun Fact of the Day

Fun with Classification.

In Hippocrates' humoral theory- disease was caused by an imbalance in the four bodily fluids:  blood, phlegm, yellow bile and black bile.

Excess "Yellow bile" was associated with fevers and sores and periodontitis.  and a surly, angry disposition.
Excess "Black bile" was associated with the spleen and digestive disorders.   and melancholy.