On September 17, 2025, Apple announced that watchOS 26, along with the Apple Watch Series 9 and later and Apple Watch Ultra 2 and later models, will feature hypertension notifications. This new function, utilizing an updated algorithm with existing cardiac sensors, analyzes user data to identify signs of chronic hypertension without the need for new hardware.
To activate hypertension alerts, users must collect 30 days of data after enabling the feature in the Health app, applicable to those over 22 who are not pregnant or already diagnosed with hypertension. Users receiving alerts should maintain a blood pressure log using a third-party device and consult healthcare professionals. This logging feature provides daily reminders and tracks blood pressure measurements over 7 days or 4 weeks.
Apple clarifies that the feature isn’t a medical diagnosis tool, as not all users with hypertension will receive notifications.
In addition to watchOS updates, Apple is rolling out iOS 26, which includes significant redesigns and improvements for iPhones. Installation may temporarily impact battery life due to background processes. Apple also hinted at several product launches, including the iPhone 17 series and new AirPods, slated for September 19.
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