Information and opinions on health from Katherine Curtis at HealthCentral.com. HealthCentral.com is one of the top health destinations on the Web, with more than 35 condition-specific, wellness and general health Web properties. http://www.healthcentral.com/profiles/c/6534/index http://www.healthcentral.com/profiles/c/6534/rss self application/xml en-us 15 120 19 http://www.healthcentral.com/images/hc_logo_sm.gif http://www.healthcentral.com/profiles/c/6534/index http://www.healthcentral.com/osteoarthritis/c/6534/16447/knee-pain Thu, 15 Nov 2007 10:34:00 -0500 Katherine Curtis Vitamin D has been in the news a lot lately. Dr. Davis, our heart disease site expert, has been discussing vitamin D's role in heart disease and seasonal increases in blood pressure levels. Now, new research presented a the American College of Rheumatology Annual Scientific Meeting shows that low vitamin D levels may cause greater knee pain and difficulty walking in those suffering from osteoarthritis of the knee.  The Annual... http://www.healthcentral.com/osteoarthritis/c/6534/16447/knee-pain