Researchers (IMAGE) Nanyang Technological University Caption NTU Singapore Professor Sven Pettersson (centre) and his team of researchers found that microorganisms living in the gut may alter the ageing process Credit NTU Singapore 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.