In TODAY.com's Expert Tip of the Day, a cardiologist explains why a lower resting heart rate can be a good sign of heart ...

Have you ever checked your own pulse? Do you know your resting heart rate? Understanding your pulse or heart rate can greatly help in monitoring your health level and heart health. Noticing changes in ...

Scientists have long known that pulse oximeters are less accurate when used for people with dark skin tones – and now, a new report offers some insight into just how much more inaccurate these ...

Whether brought on by stress, physical activity, or an extra cup of joe in the morning, most of us have all felt our heart rate quicken at one time or another. However, a lower resting heart rate ...

Heart rate variability typically decreases during stressful situations, although the heart rate increases. Managing stress levels can mean a more variable heart rate. Exercise and relaxation ...

A weak or absent pulse can signal a medical emergency, such as cardiogenic shock or cardiac arrest. Without prompt medical treatment, both conditions can result in death. A person may have a weak ...

With its new heart rate monitor, can the AirPods Pro 3 replace an Apple Watch for health-conscious users? Maybe for some, but not for me.