Is cracking your back safe?
Q&A with Dr. Manny: I know people say cracking your knuckles is bad for you, but what about cracking your back?
Sunday, October 22, 2017
FOX NEWS: Is cracking your back safe?
Is cracking your back safe?
Q&A with Dr. Manny: I know people say cracking your knuckles is bad for you, but what about cracking your back?
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