Vaporizer (IMAGE) DOE/Pacific Northwest National Laboratory Caption E-cigarette vapor exposure can modify and impair proteins found within the lung tissue of rats, according to a recent study. Some of the detected changes promoted clotting and systemic inflammation and were akin to those found in the lungs of traditional smokers, according to the study's authors. Credit (Photo by © Svetov Dmitrii | Shutterstock.com) 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.