This is What Happens When You Crack Your Knuckles [VIDEO]

Is cracking your knuckles safe? Will it cause premature Arthritis? Does it cause decreased grip strength?

Despite what your mom might say, there's not a lot of research on the subject. One man decided to crack the knuckles on one hand every day for over 60 years, then had an X-ray to determine if one hand looked any different than the other.

Check out the video below.

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