John Violanti, University at Buffalo (IMAGE) University at Buffalo Caption "Usually, health disparities are defined by socioeconomic and ethnic factors, but here you have a disparity caused by an occupation," says UB's Violanti. Credit Douglas Levere, University at Buffalo 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.