http://articles.mercola.com/sites/articles/archive/2001/01/28/vitamin-b12-part-one.aspxA deficiency of vitamin B-12 is often thought to be a problem that only occurs in the elderly. But the vitamin deficiency -- which can cause anemia dementia severe nerve damage Investigators found that 39% of individuals had low-to-normal levels of theenCommunityServer 2008.5 SP1 (Build: 31106.3070)