Even Nature's Most Perfect Food Deficient in This Crucial Vitaminhttp://articles.mercola.com/sites/articles/archive/2004/02/07/vitamin-d-part-nineteen.aspxPress release from John Jacob Cannell, MD, executive director of The Vitamin D Council Dr. Bruce Hollis, of the Medical University Of South Carolina, discovered why so many black infants and their breastfeeding mothers are deficient in vitamin D. In 2002enCommunityServer 2008.5 SP1 (Build: 31106.3070)