by SPIE Using commercial visible and near-infrared sensors, such as those in smartphones and smartwatches, it is possible to estimate blood glucose levels non-invasively based on the asynchronicity between oxyhemoglobin and deoxyhemoglobin oscillations. Credit: Nakazawa et al., doi 10.1117/1.JBO.29.3.037001.Diabetes is a prevalent disease that, unfortunately, still has no cure. People with diabetes need to monitor...
