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Early research suggests a phone case might be able to measure blood pressure

<img alt="" data-portal-copyright="Photo: A. Chandrasekhar et al., Science Translational Medicine (2018)” data-has-syndication-rights=”1″ data-focal-region=”x1:411,y1:256,×2:567,y2:412″ src=”https://cdn.vox-cdn.com/thumbor/3-iaN8r0tVaBiwLC1ju_BeTwHpw=/0x9:977×660/1310×873/cdn.vox-cdn.com/uploads/chorus_image/image/58942589/device.0.png” /> A new smartphone device allows …