Blood Vessel (image) American Chemical Society Caption Biochemical signals associated with atherosclerosis may damage other organs, researchers say. Shown is a blood vessel viewed under a high-powered microscope. Credit Courtesy of National Science Foundation, Michigan State University Usage Restrictions None Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.