Your smartwatch alerts may seem like a nuisance, but they could signal vital signs in your heart health. If you receive alerts about an unusually fast

While regular exercise is a cornerstone of good health, it's important to remember that even seemingly healthy athletes could be at risk of sudden cardiac death.

Not all heart arrhythmias are fast! Learn about bradycardia (slow heartbeat), its hidden dangers, and how pacemakers can help.

Atrial fibrillation is the most common type of heart arrhythmia. More than 50% of affected patients often experience no abnormal symptoms.