An occasional spike can happen during exercise, emotional stressor or after consuming caffeine a persistent high resting ...

The human heart works quietly in the background, beating around 100,000 times a day. Most people notice it only during exercise, stress, or illness. Yet doctors say one simple number, the resting ...

From the Oura Ring to the Apple Watch to the Google Pixel — here's what the science really says about the accuracy of their health data ...

DEAR DR. ROACH: I wear a smart watch, and a few times now, it has alerted me that my heart rate is below 45 bpm. This has only occurred when I’m in my recliner, relaxing and starting to nod off. I am ...

DEAR DR. ROACH: I wear a smart watch, and a few times now, it has alerted me that my heart rate is below 45 bpm. This has only occurred when I’m in my recliner, relaxing and starting to nod off. I am ...

A new survey by car insurer Canstar measured the heart rates of 150 volunteers to work out the most thrilling movie car ...

Heart attack or stroke risk during sleep is not universal. However, individuals with high blood pressure, sleep apnea, ...

DEAR MAYO CLINIC: When I go for a walk or to the gym, people always seem to be checking their pulse, whether by hand or with a wearable. Why is heart rate so important? ANSWER: Your heart rate, or ...

A new study reveals that your heart rate slows down more when you make a visual mistake than when you see things correctly. This suggests our bodies physically react to perceptual errors in real-time.

Chronic, mild dehydration quietly increases the workload on your cardiovascular system. Even mild dehydration reduces blood ...

Your insurance agent offers you a “smart home discount.” Install a Nest thermostat or Ring doorbell, get $60 off your annual premium. No-brainer, right? Here’s ...

Heart palpitations are a common pregnancy symptom. Learn how to reduce them, and when they warrant a call to your doctor.