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Digest
Ask the Times
By TIMES WIRES
Published December 14, 2006
Is it unhealthy to pop one's knuckles? No. The popping sound you hear comes from bubbles, created by carbon dioxide, bursting inside the fluid surrounding the joint. Joints can feel "looser" after being popped because it relaxes the muscles around the joint. Compiled from Times staff and wires. To submit a question, e-mail answers@tampabay.com or call 727 893-8179, toll-free 1-800-333-7505, ext. 8179.
[Last modified December 14, 2006, 00:53:43]
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