http://articles.mercola.com/sites/articles/archive/2005/12/10/the-wonders-of-genetic-research-dont-replace-natural-treatments.aspxIt has been known for several years that an extra copy of the SIR2 gene can promote longevity in yeast, worms and fruit flies. Many thought the gene could promote longevity. However, some molecular geneticists now suggest that SIR2 actually promotes agingenCommunityServer 2008.5 SP1 (Build: 31106.3070)