If someone’s blood oxygen level falls below 60 mm Hg, there may not be enough oxygen reaching the body’s vital organs. This can lead to symptoms such as shortness of breath and dizziness. This article ...

At your last checkup, you probably were told your resting heart rate, or pulse. Or maybe you get alerts throughout the day ...

Lindsay Modglin is a nurse and professional writer who regularly writes about complex medical topics, as well as travel and the great outdoors. She holds a professional certificate in scientific ...

Normal Slow Walking Heart Rate Causes of Faster Heart Rate Measuring Heart Rate How to Lower Heart Rate When to See a Doctor You may know your target heart rate when working out or your ideal heart ...