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Re:Knuckle Cracking Sound Triggered by Bubble Formation by vdnkh on Thursday December 03, 2015 @08:05AM (#10669326)
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/

Re:Knuckle Cracking Sound Triggered by Bubble Formation by kozukumi on Thursday December 03, 2015 @10:26AM (#10670030)
Yeah I know that story. One guy isn't enough to convince my parents though. Has there been any study into it?
Re:Knuckle Cracking Sound Triggered by Bubble Formation by bababouy33 on Thursday December 03, 2015 @09:10AM (#10669600)
Now that's dedication.