An occasional spike can happen during exercise, emotional stressor or after consuming caffeine a persistent high resting ...

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 ...

The human heart works quietly in the background, beating around 100,000 times a day. Most people notice it only during exercise, stress, or illness. Yet doctors say one simple number, the resting ...

Most adults have a resting heart rate of 60 to 100 beats per minute. When the heart rate stays below 60 beats per minute, it’s considered slow, or “bradycardia.” (“Tachycardia” ...

A racing heart is usually a sign of agitation or excitement. But if it's not unusual for your heart to beat too fast or to skip a beat, it might be worth having it checked out by a doctor. In order to ...