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The Most Responsible Path in Healthcare AI Is Also the Deadliest

substack.com · 1,873 words · saved by 1 readers

Kintsugi spent seven years and thirty million dollars doing everything right. That is exactly why they are gone.

A company called Kintsugi just shut down. If you have not heard of them, that is precisely the problem. Grace Chang founded Kintsugi in Berkeley, California, on a premise that was as simple as it was radical. Mental health diagnosis, in the year 2026, still works the way it did fifty years ago. A patient fills out a questionnaire. A clinician conducts an interview. Someone makes a judgment call. There is no blood test for depression. No imaging scan that can confirm an anxiety disorder. No biomarker in the traditional sense. The field runs on self-report, which means it runs on what…

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