I gave the new ChatGPT Health access to 29 million steps and 6 million heartbeat measurements. It drew questionable ...

Smartwatches are incredible tools, but they are demanding. They buzz during meetings, light up in movie theaters, and need to be charged almost as often as your phone. For many of us, the friction of ...

Northwestern University researchers have developed the first device that can continuously track a fetus's vital signs while ...

Scientists have long wanted to watch iron(II) move inside living cells as it fuels metabolism, shapes immunity, and, in some ...

Forger takes a more favorable view toward the devices, which he says help keep the overlooked importance of sleep front of mind. He recommends them even for people without significant sleep issues, ...