You should consider more than just the rate when choosing between an I bond and a CD.

Heart Rate Variability (HRV) is a key metric on your fitness tracker. Here you'll find out what is a good HRV, HRV by age and how to improve HRV.

Beats just released its long-anticipated Powerbeats Pro 2. Here's how to measure your heart rate with these earbuds during a workout.

Abstract The objectives of this study were to evaluate and compare the use of linear and nonlinear methods for analysis of heart rate variability (HRV) in healthy subjects and in patients after acute ...

Playing music has long been a way for expectant parents to connect with their children in the womb, but a group of researchers has found evidence it can calm fetal heart rates, potentially ...

Menopause causes a drop in estrogen, which can lead to changes in heart rate, such as palpitations or fluctuations in heart rhythm. Menopause marks a significant transition in a person’s life ...

It turns out that blood pressure and your resting heart rate both often change over time ― average scores for both differ by age. The same goes for your physical fitness. There’s an “ideal ...

A recent study showed that the heart rate variability of a dog and its owner adapt to each other during interaction. High heart rate variability is associated with relaxation, while low heart rate ...