CHICAGO (Reuters) - The death of a spouse or child can trigger potentially harmful rapid increases in heart rate and changes in heart-rhythm regularity, but a study showed the measures revert back to ...

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 ...

Having an accelerated junctional rhythm occurs when the atrioventricular node in your heart beats too quickly. It happens as a result of damage to your heart’s primary natural pacemaker. There’s no ...

New research suggests that two simple evening habits — finishing dinner earlier and lowering the lights — may significantly ...

If you sometimes experience a racing or irregular heartbeat, it may be caused by atrial fibrillation (AFib), the most common type of heart arrhythmia. AFib can make you five times more likely to have ...

Wearables can be helpful in understanding whether the lifestyle changes you’ve made are having a measurable effect on your heart health.

A new study from Mass General Brigham researchers reveals that heart rate complexity could serve as an early indicator of cognitive decline in older adults. The research, published in the Journal of ...