http://articles.mercola.com/sites/articles/archive/2007/03/01/donating-blood-can-protect-your-health-and-heart.aspxDonating blood can help reduce your body's store of iron and may help keep your circulatory system healthy. However, this may not be effective for older people. Over a period of six years, researchers examined more than 1,200 men and women, aged 43 toenCommunityServer 2008.5 SP1 (Build: 31106.3070)