Micro-fluctuations in the time between heartbeats are proving a helpful indicator of mental health, stress levels, exercise capacity and even how well you are ageing.

What Slow Heart Rate Recovery Means: If you experience shortness of breath while climbing stairs, you need to pay attention. Sometimes this is normal, other times it could be related to your heart.

Exercise can strengthen the heart when done safely but heart patients should choose moderate activities, avoid overexertion ...

Experts say your racing heartbeat may have more to do with daily lifestyle choices than you realize.

Exercise tolerance reflects the ability to sustain physical activity and is influenced by cardiovascular, pulmonary, and ...

A resting heart rate between 60 and 100 beats per minute (bpm) is considered normal for most people, according to the American Heart Association (AHA). If your resting heart rate is over 100 bpm, you ...

If you’ve ever glanced at your smartwatch mid-workout and wondered whether your heart rate is impressively low for how hard you’re working, or not high enough because you’re taking it too easy, you’re ...

Thanks to the proliferation of smartwatches and fitness trackers, it’s never been easier to log your heart rate while running: Simply don the device, start your workout, and watch those beats per ...