Is a Slow Heart Rate Dangerous? Just as an increased heartbeat can be problematic, a decreased heartbeat is also a dangerous ...

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.

Researchers have identified bradycardia—an abnormally low heart rate—as a symptom of xylazine-opioid overdose. This breakthrough finding from the Icahn School of Medicine at Mount Sinai may help ...

Breakthrough Mount Sinai study is the first to link this symptom to the novel synthetic drug in opioid overdose; findings can help doctors save lives during emergencies ...

Dr. Myerburg answers the question: 'Can A Pacemaker Strengthen My Heart?' — -- Question: I have heard that pacemakers can strengthen my heart, is this true? Answer :Pacemakers of a certain ...

Dr. Myerburg answers the question: 'How Do Pacemakers Know To Pace Faster?' — -- Question: How do pacemakers know when I need a faster heart rate, for example when I am exercising or anxious?

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 ...

There's no doubt about it: Walking is great for your heart. It helps with many underlying risk factors for heart disease, such as high cholesterol, weight gain and chronic stress, to name a few.