Mass General Brigham Oct 2 2025 Continuous glucose monitors (CGMs) are wearable technologies that track blood sugar in real time and help patients with type 2 diabetes improve blood sugar control. In 2024, the U.S. Food and Drug Administration approved over-the-counter CGMs for individuals with and without diabetes, but there is limited understanding of how to interpret CGM metrics in individuals who do not have diabetes. Researchers from Mass General Brigham analyzed CGM data from people with