Wrist HR Accuracy: Dark Skin and Small Wrists Explained

Optical heart rate monitors behave differently across skin tones and wrist sizes, but the research is…

Afib detection: Apple Watch 4x better than your doctor

New research from Amsterdam UMC shows Apple Watch detected atrial fibrillation in 10% of at-risk patients…

Garmin ECG Accuracy Beaten by Amazfit Reports Meta analysis

Garmin's manual, FDA-approved ECG is clinically accurate, but a new meta-analysis suggests a continuous Amazfit PPG…