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Using Wearables to Monitor Cardiovascular Health: What You Can and Cannot Track

Heart health is one of the most common reasons people buy a fitness tracker or smart ring in the first place, and it's also one of the areas where it's easiest for marketing language to get ahead o...

Resting Heart Rate Explained: What Your Smartwatch Data Means

Your smartwatch shows you a heart rate number throughout the day — but what does that number actually tell you about your health, and how should you interpret it? Resting heart rate (RHR) is one of...