This is an archived article and the information in the article may be outdated. Please look at the time stamp on the story to see when it was last updated. DAVIS, Calif. — For the past 15 years, Tanya ...
There are many reasons people crack or pop their knuckles. Some do it as a nervous tic, others do it because of restlessness, still others do it to relieve pressure and stiffness and then some, ...