Telomeres (image) University of Gothenburg Share Print E-Mail Caption New research at the University of Gothenburg, Sweden, confirms theoretical expectations about the correlation between reproduction and lifespan. The decisive factor is the telomeres, which are the protective caps at the end of chromosomes. Credit University of Gothenburg. Usage Restrictions None Share Print E-Mail 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.