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.
Louis Pasteur and Robert Koch proved that microscopic organisms cause disease, leading to sterilized surgery and improved sanitation. A History of Medicine
His work on human anatomy challenged and corrected Galen's ancient teachings. Medicine was dominated for centuries by the belief
The Edwin Smith Papyrus highlights a remarkably rational approach, focusing on surgical trauma, observation, and anatomy rather than just magic. focusing on surgical trauma