Heart Rate Monitor Accuracy Test: Fitness Trackers vs Medical Equipment
Doctor tests 12 fitness trackers against hospital ECG equipment. Which devices accurately monitor heart rate during exercise, rest, and medical conditions?
Smartwatches, fitness trackers, and health monitoring devices
Doctor-tested guide to needle-free glucose monitoring wearables. Which devices work, accuracy data, and what diabetics need to know in 2025.
Oura Ring 4 vs Whoop 5.0 medical accuracy test after 120 nights. Sleep study validation reveals surprising winner for athletes and recovery.
Compare Oura Ring vs Whoop 4.0 for sleep tracking in this 5-minute guide. Real test results + which to buy. Updated June 2025.