MIT's new device uses light to measure blood sugar levels without any needles, and a wearable version is already in the works ...

As a certified personal trainer, I tested 16 wearables while training, running and swimming. Here are the best fitness ...

With heart rate monitors now standard in smartwatches and fitness trackers, electrocardiograms (ECG/EKG) have rapidly become a common feature in health wearables. The technology aims to assist ...

The check engine light is the worst kind of message. It tells you something is wrong without telling you what, and the dealership will happily charge a ...