Young vs an Old T Cell (IMAGE) Monash University Caption Young vs an old T cell, showing how the mitochondria becomes more networked (indicative of increased metabolic state) with age. Credit (C) Felix Kraus - Monash BDI Usage Restrictions This image can only be used in relation to this press release. 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.