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A stretchy stick-on patch can take blood pressure readings from deep inside your body

The flexible stamp can collect data that usually requires bulky, invasive equipment.
by Rachel Metz

The last time you had your blood pressure checked, it was probably at a doctor’s office with a bulky cuff wrapped around your arm. One day soon, perhaps, you will just need a simple stick-on patch on your neck, no bigger than a postage stamp.

That’s the goal of Sheng Xu and his team at the University of California, San Diego, who are working on a patch that can continuously measure someone’s central blood…


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