Cracking Your Knuckles Isn’t As Bad For You As You Think

Are you a knuckle cracker like me?  My mom told me for years I was going to have arthritis from constantly cracking my fingers.  Sorry mom, that's not really the case!

The video below shows that it's the synovial fluid bubbles around the knuckle that's "popping" and according to most doctors, it's harmless.