Comparison of older and younger worms (VIDEO) Center for Genomic Regulation This video is under embargo. Please login to access this video. Caption Older worm (left) vs. younger worm (right). The younger worm displays more signs of active, vigorous movement, an indicator used by the researchers to assess its healthspan. Credit Andrea del Carmen Fabregat/Centro de Regulación Genómica Usage Restrictions Credit must be given to the creator. License CC BY 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.