Skin Cells; Normal and DNA Damage (IMAGE) Vanderbilt University Caption An image of skin cells before and after DNA damage, added through chemotherapeutic agents, shows stem cell overgrowth. Credit Seldin 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.