Dr Marjolein Admiraal (IMAGE) University of York Caption Lead author of the study, Dr Marjolein Admiraal carried out the research while at the Bioarchaeology laboratory (BioArCh) at the University of York Credit Alex Holland, University of York Usage Restrictions For use in connection with this research License Original 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.