http://articles.mercola.com/sites/articles/archive/2008/01/02/memory-learning.aspxA study in mice suggests that vitamin A plays an important role in learning and memory, a finding that researchers say underscores concerns about vitamin A deficiency in some 190 million children throughout the world. Researchers at the Salk InstituteenCommunityServer 2008.5 SP1 (Build: 31106.3070)