Google's AI detects high blood pressure from a regular smartwatch without a cuff Manuel Uth Nov 7, 2026 A Google Research AI can detect signs of high blood pressure using a regular smartwatch, with no blood pressure cuff needed for calibration. The AI relies on two sensors already built into modern watches—a pulse sensor and a motion sensor—according to a Google blog post. The study was published in Nature. A neural network learned from nearly 500,000 hour