Effects of Treatment on Leukemia Cells (image) Rockefeller University Press Caption The number of leukemia cells (red) was greatly reduced in treated (right) vs. untreated (left) mice while sparing any significant damage to normal blood cells (black). Credit Nathanson et al., 2014 Usage Restrictions Reporters may freely use these materials in news coverage, with the appropriate credit information. 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.