Is bicycling bad for your bones NYTIMES

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Even more encouraging, most recreational cyclists probably don’t need to worry too much about their bones. “The studies to date have looked primarily at racers,” Smathers says. “That’s a very specialized demographic. These guys train for hours at a very high intensity. They sweat a lot. They never go for runs. They don’t usually do much weight-lifting,” to avoid adding bulk. “They’re strange.”

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