Data from questionnaires and pain tests completed by 94 adults revealed that black Americans with low vitamin D levels had more arthritis pain and greater pain sensitivity in their knees than did white patients, University of Florida researchers reported on the website of the journal Arthritis & Rheumatism. They said that even though the study was done in a sunny locale, low vitamin D levels were common among black and white participants but were more pronounced in blacks. Medscape (free registration) (11/7)