An older gentleman is suffering from a cough that produces bright green phlegm and a loss of appetite. He also has a fever and seems confused. Moreover, he says his chest hurts when he breathes. What does he most likely have?
Early Asian civilizations practiced advanced medicine. In India, there were surgical techniques for removing tumors, bladder stones, and cataracts! And Chinese physicians used many different herbal, mineral, and animal products to treat disease.