Dual ancestry (IMAGE) University of Tokyo Caption Although there are no known direct descendants of the Jomon people nowadays, thanks to genetics this study was able to infer some of their physical traits beyond what could be studied from skeletal remains, such as the genetically high levels of blood sugar and triglycerides. Credit 2023 Watanabe et al. Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.