APPLE has revealed a life-saving new health feature that's expected to alert more than a million people in its first year.

High blood pressure - or hypertension - is known for being a "silent killer" because there's often no noticeable symptoms.

Some 1.3billion adults worldwide have hypertension.

The newest Apple Watches could help detect it thanks to intelligent sensors that analyse how a user’s blood vessels respond to the beats of the heart.

If a wearer receives a hypertension alert, it is recommended that they log their blood pressure for seven days using a third-party blood pressure cuff and share the results with their doctor.

The feature is expected to land on the new Apple Watch Series 11 and Apple Watch Ultra 3 "soon" pending regulatory approval.

It'll be available as part

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