Nope<p>&gt;“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.”<p><a href="http:&#x2F;&#x2F;www.scientificamerican.com&#x2F;article&#x2F;crack-research&#x2F;" rel="nofollow">http:&#x2F;&#x2F;www.scientificamerican.com&#x2F;article&#x2F;crack-research&#x2F;</a>