A History Of Medicine -

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

The introduction of ether and chloroform allowed for complex surgeries. A History of Medicine

His work on human anatomy challenged and corrected Galen's ancient teachings. The focus shifted from overall "humours" to specifically

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.