Addiction (IMAGE) University of Adelaide Caption This is concept art depicting addiction by Joshua Burton (School of Medical Sciences, University of Adelaide). Credit Joshua Burton/University of Adelaide Usage Restrictions To be used only in conjunction with stories about this discovery. Copyright remains with Joshua Burton, University of Adelaide. 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.