When we move, it's harder for existing wearable devices to accurately track our heart activity. But researchers found that a starfish's five-arm shape helps solve this problem. Inspired by how a ...

The best fitness trackers are a great way to get in shape and monitor your essential stats without breaking the bank. The wrist-worn devices can track your steps, keep tabs on your heart rate ...

Rising rates of heart disease are claiming more lives each year, and researchers now believe a lesser-known body measure may offer clues about your future heart health. In recent findings from a large ...