Human Life Program (IMAGE) Kumamoto University Caption The human body and the cells that make it up have a "program" for aging. It is thought that there is an accumulation of senescent cells in tissues and organs as we get older. Credit Professor Mitsuyoshi Nakao Usage Restrictions This image may only be used in conjunction with the accompanying release, or stories written about the work described in the release with reference to the original work. 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.