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Does cracking your knuckles cause arthritis?
We get to the bottom of the age old myth your grandmother always warned you about. Could cracking your knuckles really cause arthritis?
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Does cracking your knuckles cause arthritis?
We get to the bottom of the age old myth your grandmother always warned you about. Could cracking your knuckles really cause arthritis?
Date: 7/26/13
Views: 813810
Video by:  Truth or Scare
 
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