The inverse relation between resting heart rate and maximal oxygen consumption is directly correlated with physical fitness and adiposity. Resting heart rate is a biomarker for fitness and, therefore, ...

Heart rate is one of the most powerful—and underestimated—indicators of your cardiovascular health. Understanding how it ...

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?

Bradycardia is the medical term for an unusually slow heart rate. Because symptoms of bradycardia can include tiring easily during exercise, a person with the condition may need to engage in ...

Objective To estimate the dose–response associations between non-occupational physical activity and several chronic disease and mortality outcomes in the general adult population. Design Systematic ...

In a world where time is often a luxury, new research reveals that short bursts of intense exercise can offer profound ...

Getting regular exercise helps prevent heart disease. And while any physical activity is better than none, certain types of exercise may be more beneficial for your heart. Your body is designed for ...

It’s been known for decades that heart rate variability (HRV) during labor signals how a fetus is responding to stress. Lower HRV—a lower variation in heartbeats—is even a risk factor for sudden ...

Beta-blockers are excellent drugs. They're cheap and effective; feature prominently in hypertension guidelines; and remain a sine qua non for coronary artery disease, myocardial infarction, and heart ...