View this interactive chart on Fortune.com Smartwatches ... it may not be a reflection of your resting heart rate, but an ...

Sinus bradycardia, or a slow heart rate, can be a sign of cardiovascular ... may occur alongside other conditions, including sinus arrhythmia. Continue reading to learn more about sinus ...

This study demonstrated for the first time that long-term pharmacological β-adrenergic blockade altered the day-night rhythm in heart rate. “In our previous work, we showed the ion channels involved, ...

A brisk walking pace, and the amount of time spent at this speed, may lower the risk of heart rhythm abnormalities, such as ...