5 'Modern' Medical Procedures (Are Thousands of Years Old)

"Despite what you've seen in Monty Python movies or at Renaissance Faires, people in olden days were a lot smarter than we give them credit for. They didn't exactly figure out how to make gold from horse poop (or however alchemy was supposed to work), but they did figure out a few things about our insides and how to make them better.
After all, archeological evidence suggests they were doing things like ..."