ScienceDaily: Exposure to air pollution can worsen blood sugar levels, cholesterol and other risk factors for heart disease, particularly in people with diabetes, according to a new study published in the Endocrine Society's Journal of Clinical Endocrinology & Metabolism. Cardiovascular and lipid disorders are the leading cause of death in the United States, according to the Society's Endocrine Facts and Figures Report. As of 2011, the total cost of cardiovascular disease nationwide was $320.1 billion. The total...