Heart

Optical and electrical devices tracking rate, rhythm, and blood pressure. The one area where consumer hardware regularly agrees with clinical equipment, and the one where that matters most.

Brain

Fitness

Hormonal

Brands in

Heart

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YHE Technology

A watch with a miniature cuff inside the strap, inflating on your wrist for an actual blood pressure reading.

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Withings

Home health kit that talks to one app: a mat under your mattress, watches, scales and blood pressure monitors.

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Wellue

Affordable heart and oxygen monitors, from a thumb ECG stick to a ring that watches you all night.

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Omron

Scales and monitors that read what is happening inside your chest.

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Lumia Health

Smart earrings, for continuously tracking blood flow to the head.

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Fourth Frontier

Chest straps that record a real heart trace while you exercise and buzz when your heart is under strain.

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We track what these devices
really measure

What shipped, what slipped, and what the spec sheet leaves out. Four minutes, Tuesday mornings.

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