If you own a smartwatch or have been around people who own smartwatches, you may have encountered a metric called HRV, or heart rate variability. On the internet and social media, it certainly seems ...

Did you know you can customize Google to filter out garbage? Take these steps for better search results, including adding my work at Lifehacker as a preferred source. Besides measuring heart rate and ...

Unlike your resting heart rate, which you can take with nothing more than a stopwatch and a finger to your pulse, tracking your heart rate variability (HRV) is more complicated. While it used to ...

HOUSTON – February is American Heart Month, and many people are turning to wearable tech like smartwatches and rings to keep an eye on their heart health. But how reliable are the alerts these devices ...

Tracking key heart health metrics every day helps you understand how your lifestyle affects your cardiovascular system and empowers you to take proactive steps toward better heart health. Heart ...

Knowing your maximum heart rate can be useful when planning exercise. Workouts in lower “zones”, defined as up to 70% of maximum heart rate, improve aerobic capacity. More intense exercise trains ...