http://articles.mercola.com/sites/articles/archive/2008/01/02/vitamins-slow-arthritis-progression.aspxA diet rich in certain vitamins may slow the progression of osteoarthritis, the most common joint disorder in older individuals. People taking middling to high doses of vitamin C had a threefold reduction in risk for osteoarthritis (OA) progression. ThoseenCommunityServer 2008.5 SP1 (Build: 31106.3070)