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Published On: Mon, Jul 25th, 2016

Why do your knuckles crack? The phenomenon explained and when you should be concerned

EVER wondered why your joints pop? Way back in 1947 it was thought that cracking your knuckles made a sound because of the formation of a bubble in joint fluid.
Daily Express :: Life & Style Feed

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Why do your knuckles crack? The phenomenon explained and when you should be concerned