The heart rate zone formula is flawed, especially for women. Here's how to rethink your training. These days, everyone from the average Susan to the hardcore data-loving wellness enthusiast has the ...

When a transmitter sends a Wi-Fi signal and a receiver captures it after it passes through a person, the signal’s changes can ...

Heart rate is one of the most basic and important indicators of health, providing a snapshot into a person’s physical activity, stress and anxiety, hydration level, and more. Traditionally, measuring ...

To live is to have a heartbeat, which is why it makes sense for us living things to have a good understanding of our ticker. It’s well-known science that our hearts beat faster when we exercise and ...

Understanding your heart rate can be helpful to calibrate your perceived exertion, especially on easy and steady runs. This ...