Scientists built a smart ring that analyzes sweat to measure blood glucose

Prototype smart ring cracks the holy grail of non-invasive blood sugar measurement A prototype smart ring developed by engineers at the University of California appears to have cracked one of the holy grails of health wearables: non-invasive blood sugar measurement. The data is sent to a companion app on a paired iPhone.

While existing smart rings rely purely on biophysical data extracted from sensors like those embedded into the Apple Watch , this ring also tracks chemical biomarkers by analysing sweat ….

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