Apple has made the Hypertension Notifications function on the Apple Watch available in seven more countries. It is meant to look at data from the optical heart sensor. Back in September 2025, the business first made the feature available in specific regions. It lets consumers know when their blood pressure could possibly be too high. The recent upgrade in India means that this health monitoring feature is now available in a lot more locations.
Apple has added Hypertension Notifications for Apple Watch to seven more countries: Australia, Brazil, Malaysia, Colombia, Indonesia, Turkey, and South Korea. This update comes after the feature was first added in India in December 2025. The notifications work with Apple Watch Series 9 and later, including Watch Ultra 2 units that run watchOS 26. Apple stresses the need for treating persistent high blood pressure, which is a common preventable cause of significant health problems like heart attacks, strokes, and kidney disorders that affect almost 1.4 billion adults throughout the world and frequently go undiagnosed.
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The Apple Watch’s optical heart sensor looks at how blood vessels respond to heartbeats to send out signals about high blood pressure. The system works in the background, looking at data every 30 days and letting people know if it sees indicators of high blood pressure that are constant. These notifications give users essential health information about this prevalent condition and encourage them to make changes to their habits that could save their lives or start treatment to lower their chance of serious, long-term health problems.
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Apple’s notifications for high blood pressure are based on strict scientific testing and powerful machine learning that uses data from more than 100,000 people. A clinical investigation with more than 2,000 individuals tested the performance of this feature. The Apple Watch won’t be able to find every incidence of high blood pressure, but it is expected to notify more than 1 million people around the world who don’t know they have it within its first year.
Current guidelines for managing high blood pressure include that if users find out they have it, they should use a third-party cuff to measure their blood pressure for seven days and then discuss the results with their doctor at their next visit.
