A History Of Medicine -

Scholars like Avicenna preserved Greco-Roman knowledge and significantly advanced pharmacology and surgery.

The focus shifted from overall "humours" to specifically diseased organs and tissues. 6. The 20th Century to Present: Modern Advancements A History of Medicine

Medicine was dominated for centuries by the belief that disease resulted from an imbalance of four bodily fluids: blood, phlegm, black bile, and yellow bile. and yellow bile.