http://articles.mercola.com/sites/articles/archive/2006/02/16/obesity-pollution-elevate-your-heart-attack-risks.aspxThe obese are at greater risk of heart attacks when they are exposed to pollution from sources such as diesel exhaust or power plant emissions. Exposing Rats to Pollution A study on the subject compared obese, insulin-resistant rats with normal rats.enCommunityServer 2008.5 SP1 (Build: 31106.3070)