Printer Toner (IMAGE) West Virginia University Caption In a new study, WVU researcher Nancy Lan Guo found that exposure to airborne printer-emitted particles correlated to genetic and metabolic changes in animal models. These changes are linked to cardiovascular, neurological and metabolic dysfunction. Credit Aira Burkhart/West Virginia University Usage Restrictions None License Licensed content 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.