You glance at your heart rate monitor during a tough run and an unusually high number jumps out at you. Should you be excited or concerned?

Heart rate zones are a way to describe how hard you're working during a cardio workout, like running or cycling. The faster your heart beats, the harder you're working. So an easy jog might have you ...

What is heart rate variability? We combed through the latest studies to find out what this metric reveals about your health. When you purchase through links on our site, we may earn an affiliate ...

From the creator of the popular app Heart Analyzer comes a new app with next-level analytics. Heart Hive joins the App Store, allowing users to share and compare their health metrics. Heart Hive ...

Heart disease is a group of conditions that affect your heart and blood vessels. It's the leading cause of death in the US — ...

The Polar H10 also stores full heart rate data, shown in a chart, including max and average heart rates, workout time, calories burned and fat burn percent of calories. The H10 is water resistant to ...

Polar is a leading brand in consumer heart rate monitors. The new, high-end chest strap monitor, the Polar H10 ($89.95 on Amazon), has just about all of the bells and whistles you could want in a ...