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The Boston Globe

Health & wellness

Health Answers

Does cracking knuckles damage your joints?

Q. I crack my knuckles all the time. Am I damaging my joints?

A. You may be grossing out your friends — some people consider the sound of cracking knuckles as odious as fingernails on a blackboard — but you are causing no harm to yourself, according to Dr. Andrew Terrono, chief of hand surgery at New England Baptist Hospital.

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