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The Case for Ditching the Bike Helmet Isn't What You'd Expect

Stashed in: Cycling!, Freakonomics

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A large 2014 study found that bike helmets are protective against skull fractures -- which, contrary to popular belief, are not fatal -- but NOT protective against intracranial bleeding, which IS fatal.

A smaller study in London showed that helmets also have no protective effect against brain contusions. This one was notable because 41% of the injuries were caused by collisions with cars, but 38% were caused by falling off the bike... possible because 25% of all riders were drinking!

Actually, all of those are surprising. So it's better for a biker not to wear a helmet?

That's what this suggests, too:

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