Figure 2 (IMAGE) Tohoku University Caption Stimulating the pancreatic vagus nerve connected to the pancreas increased blood insulin after sugar was administered (a) and β-cell numbers (b). The brown area indicated the pancreatic β-cells clustered in the islets of Langerhans. Credit Junta Imai et al. Usage Restrictions Reporters may use freely these materials in news coverage with appropriate credit information. License Original 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.