Smartwatch Predicts Insulin Resistance

Your smartwatch may know you're becoming diabetic before your doctor does.

As a medical school professor, I've spent decades relying on fasting glucose and HbA1c to screen patients. But a landmark Nature study just proved those tests miss millions.

Researchers built an AI model using data from 1,165 people -- combining smartwatch signals (resting hea... https://www.nature.com/articles/s41586-026-10179-2

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