Resumen de Crack Research.
The article discusses knuckle cracking and whether or not it causes arthritis, which is a commonly held belief. The author cites a study published in a 1998 issue of "Arthritis & Rheumatism" titled "Does Knuckle Cracking Lead to Arthritis on the Fingers?," by researcher Donald Unger. Topics include Unger's personal experience with knuckle cracking, which led him to undertake his research, and the lack of evidence that knuckle cracking causes arthritis.
