The medical world is second to none. Just last year, for example, a 34-year-old old man developed an allergy to cold air. There was also a Brazilian fella who surprised his doctors with having three kidneys. And that's just the tip...

The medical world is second to none. Just last year, for example, a 34-year-old old man developed an allergy to cold air. There was also a Brazilian fella who surprised his...