I paired my Oura ring with Dexcom's Stelo AI-powered CGM to track my glucose. Here's what I learned about my eating habits.

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From budget-friendly options to smart rings and rugged outdoor smartwatches, these are the best wearables to buy in every category. As chosen by our expert fitness tech reviewers.

Fitness wearables can help you move more, sleep better, and stay healthy. Here's how to pick the right one for you, along with the best fitness trackers we've tested.

Research shows that the effect of stress on the body — chiefly the way it triggers inflammation — contributes to the development and worsening of many chronic conditions.

5. Oikawa J, Fukaya H, Ishii S, Nabeta T, Nakamura H, Ishizue N, et al. Variation in heart rate range by 24-h Holter monitoring predicts heart failure in patients with atrial fibrillation. ESC Heart ...

Tracking breathing rate is vital but challenging. Researchers now combine subtle breathing patterns from both heart (ECG) and ...