Anna Oudin, Umeå University (image) Umea University Share Print E-Mail Caption Anna Oudin, researcher at the Unit for Occupational and Environmental Medicine at Umeå University, led the study. Credit Daniel Oudin Åström Usage Restrictions This photo may only be used in contexts related to this news release. Share Print E-Mail 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.