http://articles.mercola.com/sites/articles/archive/2003/04/19/protein-heart.aspxDamage from congestive heart failure may be compensated for by increasing levels of a protein that helps to regulate levels of nitric oxide in the blood, according to a study on mice. The protein, called endothelial nitric oxide synthase (eNOS), helpsenCommunityServer 2008.5 SP1 (Build: 31106.3070)