Press photo Edouard Fu (IMAGE) Karolinska Institutet Caption Edouard Fu, MD and PhD Candidate at the Department of Clinical Epidemiology, Leiden University Medical Center and the study's first author. Credit Royal Dutch Academy of Science. 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.