This poor baby girl was diagnosed as being allergic to water. She can only be in water for 15 seconds before her skin begins to burn and develop blisters. Only 50 cases have been documented in medical literature. It's amazing to think how in the past she probably would have been burned as a witch. What other scientific advances can you think of that destroyed people's superstitions ? The main one I can think of was proving the world was round. Until then, mariners thought that if they sailed to far from land, they would fall off the earth.