Helium.com | Nutrition & Health Issues | Symptoms and causes of the recent surge in Vitamin D deficiency in adults http://www.helium.com/knowledge/283109-symptoms-and-causes-of-the-recent-surge-in-vitamin-d-deficiency-in-adults.xml Helium.com > Nutrition & Health Issues > Symptoms and causes of the recent surge in Vitamin D deficiency in adults en-us Copyright Helium.com Fri, 09 Oct 2009 14:15:21 GMT Fri, 09 Oct 2009 14:15:21 GMT Have you ever complained to your doctor that you are just tired all the time? How about complaining because your muscles and joints seem to ache? I... http://www.helium.com/items/1656520-what-causes-a-deficiency-in-vitamin-d Thu, 19 Nov 2009 21:39:08