Why You Need to Have Your Vitamin D Level Tested Nowhttp://articles.mercola.com/sites/articles/archive/2003/11/22/vitamin-d-part-sixteen.aspxTraditionally, specific nutrient intake recommendations have been based on preventing a particular "index" disease--for instance, calcium to prevent osteoporosis or vitamin D to prevent rickets. However, researchers are now finding that nutrientsenCommunityServer 2008.5 SP1 (Build: 31106.3070)