I have never condemned people who die doing what they like even if it's a thrill seek but Everest always amazed me for some reason. Humans simply aren't made to survive at those altitudes but then I saw a show on discovery about the Tibetan's(Sherpa's) and it changed my mind about how fast humans can evolve..they are truly a medical wonder in the way their body's have adapted to high altitude over time, hemoglobin-binding enzymes, doubled nitric oxide production, hearts that can utilize glucose, and lungs with an increased efficiency in low oxygen conditions, and the crazy part is ...most of them are smokers.