Apple has updated its Health app in iOS 8 beta 3. The app now uses the M7 chip — currently only found in the iPhone 5s — to track steps, as pointed out by 9to5Mac. A full week of data is added to the app instantly from the M7, similarly to the step tracking app Breeze; users of non-M7 devices can manually input step data. Health can also now track caffeine intake, as caffeine has been added to the app’s nutritional categories, currently…
