"Although absolute differences in readings were small, they can result in substantially higher rates of false negatives and ...

Fingertip monitors known as pulse oximeters that can be used at home to detect low blood oxygen levels (hypoxaemia) give ...

Pulse oximeters use light to measure how much oxygen is in a person’s blood. For most people, a normal pulse oximeter reading is between 95% and 100%, researchers said in background notes. Readings ...

I just hit 20,000 steps!" my husband exclaims as he brags when his fitness tracker exceeds the oft-heard benchmark of 10,000 steps per day. Although I rarely get that many steps, I use my ...

The watch used by ultra-running legend Kilian Jornet is strong, but is it good enough to outperform its rivals?

If you want to buy one of the best cheap fitness trackers to count your steps or track your sleep and don’t know which one to buy, you’ve come to the right place. Also check out our guide to the best ...