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
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 :: Health Feed
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