I've seen people jump extreme distances down without dying or breaking bones, with only a few bruises. But usually those people are ultra-fit, flexible, parkour types who roll when the hit the ground...the average russian pesant seems very lazy and far from fit (what communism can do!)
Regarding milk, milk does almost nothing to help strengthen bones. It's because of the pasteurization. Call me a health nut, or someone completely unconcerned about the 'presence of germs' in milk, but pasteurization of milk kills good bacteria naturally in the milk that allows easier absorption of the nutrients.
Too bad we're all so germ-phobic. Raw eggs and milk aren't that bad you know

Still, I'd take cooked eggs over raw just because it actually tastes like something XD