A smartwatch can tell us the level of oxygen in our blood, when our sleep is restless or the number of steps we take in a day ...

That’s where pulse oximeters come in. These small devices measure your heart rate and SpO₂. They give you another way to understand how your body responds during exercise and recovery. Also, they may ...

Smartwatches may transform blood sugar tracking, but today’s advances depend on CGMs, AI, and regulated health tech ...