A few of the most important insights are heart rate variability (HRV), which describes the difference in time between the ...

A lower resting heart rate indicates an efficient heart and a higher level of parasympathetic activity. When you’re at rest, your nervous system ideally minimizes sympathetic activity, so you’re ...

The rhythmic beating of your heart tells a more complex story than most realize. While standard health assessments typically focus on heart rate, the subtle variations between individual heartbeats ...

When it comes to exercising, your heart rate is the gold-standard metric to uncover how hard you're pushing. It tells you whether you're working aerobically or anaerobically, how your body is reacting ...

It may sound dramatic, but the rate at which your heart is beating plays a key role in how long you’re likely to live. According to expert cardiologists and academic researchers, resting heart rate ...