Research details the importance of maintaining the body's rhythm for optimal health so NBC News medical contributor Dr. John ...

Opinions expressed by Entrepreneur contributors are their own. Almost every morning, I force myself out of bed to hit the gym before work. On pitch-dark winter mornings, I can’t help but feel like I’m ...

ARLINGTON, Texas — Given the opportunity Friday night, the Dodgers demonstrated calm and urgency. Facing a trio of rookie Texas relievers, Los Angeles put on a clinic on how to dismantle a deficit and ...

Atrial fibrillation is a health condition that often goes undiagnosed, so ECG app and heart rhythm alerts on Apple Watch are highly useful for detecting early signs of disease. ECG readings also ...