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There’s long been talk in medicine about the need to listen more to the patient voice — and now that mantra is being taken literally.

Academics and entrepreneurs are rushing to develop technology to diagnose and predict everything from manic episodes to heart disease to concussions based on an unusual source of data: How you talk.


A growing body of evidence suggests that an array of mental and physical conditions can make you slur your words, elongate sounds, or speak in a more nasal tone. They may even make your voice creak or jitter so briefly that it’s not detectable to the human ear. It’s still not absolutely clear that analyzing speech patterns can generate accurate — or useful — diagnoses. But the race is on to try.

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