Lewis
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- Aug 5, 2005
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Does Cracking Your Knuckles Cause Arthritis?
http://news.yahoo.com/blogs/healthbusters/does-cracking-your-knuckles-cause-arthritis-155756201.html
http://news.yahoo.com/blogs/healthbusters/does-cracking-your-knuckles-cause-arthritis-155756201.html