Unlikely. Blood letting and balancing out the body’s humors don’t work. At all. We are quite certain that today’s medical technology works. It could work better, but we can indeed cure ailments that were once considered incurable. Medical professionals of the future will look back on today’s medicine the way we look back on pioneers of science who helped us get where we are today. To say otherwise is a complete insult of the medical professionals who have dedicated their lives to developing better medical technology.