Data from smart watches reveal early signs of insulin resistance Nature, Published online: 16 March 2026; [doi:10.1038/d41586-026-00380-8][1] Patterns in continuous data from wearable devices could reveal early metabolic dysfunction long before routine clinical tests detect it. [1]: https://www.nature.com/articles/d41586-026-00380-8 https://www.nature.com/articles/d41586-026-00380-8