http://articles.mercola.com/sites/articles/archive/2004/09/08/plaque-arteries.aspxFor the first time, studies revealed that postmenopausal women who ate one or more servings of tuna or dark fish could slow down the progression of narrowing of the arteries, otherwise known as arteriosclerosis. The Deteriorating Impact of ArteriosclerosisenCommunityServer 2008.5 SP1 (Build: 31106.3070)