http://articles.mercola.com/sites/articles/archive/2001/09/12/blood-donor-rules.aspxBy Marc Kaufman The Food and Drug Administration yesterday proposed tightening the rules governing who can donate blood due to concern that visitors to the United Kingdom and Europe could have been exposed to mad cow disease. Although researchers do notenCommunityServer 2008.5 SP1 (Build: 31106.3070)