Dear Dr. Roach: I am a 64-year-old male who is a lifelong endurance athlete. For the past 15 years, my primary activities are cycling and swimming. I work out around 10 hours a week now, so it’s ...

Dear Dr. Roach: I am a 64-year-old male who is a lifelong endurance athlete. For the past 15 years, my primary activities are cycling and swimming. I work out around 10 hours a week now, so it's ...

Your heart is always active, but it is resting when you are calm and sitting quietly for extended periods. During this ...

Your heart rate can tell you a lot about your fitness and cardiovascular health. Your heart beats consistently, day in and day out, but you may not generally pay close attention to it. You might take ...

A series of low heart rate alerts on her Apple Watch prompted a woman to get treatment — and discover she had an undiagnosed brain tumor that now needs constant monitoring. Apple Watch has an ECG app, ...

For most people, it is. Your age and overall health help determine a healthy heart rate. Learn more about the causes and risks of a speedy pulse.

Low intensity exercise encompasses activities that aren’t challenging and don’t increase your heart rate much. It can still provide health benefits, particularly when done more often. Exercise is ...

Computer Science and Engineering Ph.D. student Nayan Bhatia demonstrates Pulse-Fi, technology that uses WiFi signals to measure a person's heart rate. Heart rate is one of the most basic and important ...

Running with a high heart rate is often a clue to overtraining or needing to take a step back in the base building process. But it could also be a gear issue or a deeper health signal. Let’s talk ...