is like a huge puzzle, and it has taken many tortuous and gruesome routes to try to fit the pieces together. It has gone from ancient myths that attempted to explain disease to the great capabilities of today's medicine. The first crude forms of medicine go back to prehistoric man. Even before man appeared on earth, disease existed in the animals that roamed here. Fossils, bones, and teeth can be used to see how prehistoric man fell to disease. Imagine a sickly man, his body and mind wasted by sleeping on the cold, muddy floor that he sh ....