http://articles.mercola.com/sites/articles/archive/2001/09/19/caffeine-arteries.aspxFound in coffee, tea and soft drinks, caffeine is the most widely used drug in the world . In the Western world, 8 out of 10 adults consume caffeine in some form. The amount of caffeine in just one cup of coffee could be enough to harden a person's arteriesenCommunityServer 2008.5 SP1 (Build: 31106.3070)