It depends, of course. But on what exactly? Running coach Matt Fitzgerald explains a simple process of finding your ideal heart rate.

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 ...

Understanding your heart rate is crucial for more than just reaching optimal fitness–it can also help to reduce injury and ...

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 ...

If you’re waking up tired even after seven or eight hours of sleep, your heart rate may be falling too far during the night.

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 ...