Your pulse is like having a direct line to your heart’s control room, constantly broadcasting information about your cardiovascular health that most people never bother to decode. While everyone knows ...

A racing heart is usually a sign of agitation or excitement. But if it's not unusual for your heart to beat too fast or to skip a beat, it might be worth having it checked out by a doctor. In order to ...

Checking your heart rate is a great way to stay in tune with your body. Maybe you have a device that counts your heartbeats per minute for you (and many modern fitness trackers and smartwatches are ...

If you prefer to keep one ear completely unobstructed for whatever reason, you might be happy to know you only need to wear one of your AirPods Pro 3 during a workout to track your heart rate. Both ...

Your pulse rate defines a lot about your physical and mental health. Any difference in the regular pulse rate may indicate a bigger health issue or an underlying health risk. Therefore, measuring your ...

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 health and how to improve this vital sign. Resting heart rate — the number of ...

You’re familiar with the feeling of your heart pounding in your chest, your blood pulsing through your veins with increasing frequency when you’re scared, stressed, or sweating it out at the gym.

While some measures of physical fitness such as athletic ability and one's strength or stamina may be difficult to ascertain right away, others are more obvious. One's resting heart rate, for instance ...

The MAX30105 is an optical sensor capable of a great many things. It can sense particulate matter in the air, or pick up the blinking of an eye. Or, you can use it as a rudimentary way to measure your ...