In addition to the effects on red blood cells, endurance exercise leads to other mechanisms that help the heart become stronger and more efficient, therefore lowering resting heart rate, says Tamanna ...

A psychologist found that a baby's first sweet sounds and early attempts at forming words are directly linked to the baby's heart rate. The soft, gentle murmurs of a baby's first expressions, like ...

Oura reports that heart rate variability (HRV) measures the variation in heartbeat timing, reflecting stress levels and recovery. Higher HRV indicates well-being, while lower HRV signals stress.

Understanding your heart rate is crucial for more than just reaching optimal fitness–it can also help to reduce injury and stress, and even predict illness ...

Cardio fitness shows heart-lung strength, predicts longevity, and improves health at any age.

Exercise is known to benefit heart health. High-intensity interval training (HIIT) that combines aerobic exercise with ...

Finding time to exercise each day is a challenge for many people, but a new study of nearly 15,000 men and women found that adding as little as five minutes of activity to get your heart rate up is ...

Overview: The Fitbit lineup emphasizes advanced biosensors that provide clinical-grade insights into cardiovascular health ...