RT @CNN: It turns out, cracking your knuckles is actually good for you https://t.co/Nbn5ZcklLg https://t.co/pskVBxdz2h
It turns out, cracking your knuckles is actually good for you https://t.co/Nbn5ZcklLg http://pic.twitter.com/pskVBxdz2h
— CNN (@CNN) August 18, 2016
from Twitter https://twitter.com/mikezmac