Chimney Stove (IMAGE) University of California - Berkeley Caption There was a one-third reduction in physician-diagnosed severe pneumonia among infants in Guatemalan households that had been randomly assigned to use cookstoves with chimney attachments, such as the one pictured here. Credit Photo by Nigel Bruce, University of Liverpool Usage Restrictions All rights reserved. Non-commercial use with credit permitted. 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.