People wearing an Apple Watch, Galaxy Watch or Fitbit often ask how much to trust it. The short answer: the ECG and some alerts — irregular rhythm, sleep apnea and hypertension — passed regulators as medical software; blood oxygen, calories and steps are wellness data. None replaces a diagnosis, and any warning or symptom belongs … Read more
MIT engineers have developed a breathable hydrogel that embeds tiny air channels inside its polymer network, increasing oxygen permeability by roughly ten times while preserving the material’s softness. The advance, published in Nature in July 2026, could extend the wear time of medical patches, sensors and bandages that currently suffocate the skin after a few … Read more
Google has taken the wraps off the Fitbit Edge, a health-tracking band it positions squarely between the entry-level Fitbit Air and its Pixel Watch line. Announced on the company’s official blog on October 12, 2026, the device goes on sale October 27 at $179.99 (roughly €169), and it arrives with a feature almost unheard of … Read more