Paper cups (IMAGE) University of Gothenburg Caption Paper cups are replacing plastic cups on the market. But paper cups can also be toxic to living organisms, shows a new study from the University of Gothenburg. Credit Olof Lönnehed Usage Restrictions None 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.