Nope >“For 50 years, the author cracked the knuckles of his left hand at least twice a day, leaving those on the right as a control...“there is no apparent rel

Nope >“For 50 years, the author cracked the knuckles of his left hand at least twice a day, leaving those on the right as a control...“there is no apparent relationship between knuckle cracking and the subsequent development of arthritis of the fingers.” http://www.scientificamerican.com/article/crack-research/ http://www.scientificamerican.com/article/crack-research/