Your phone knows more about you than your doctor does
Health sensors got good fast. The rules about who can read the data did not keep up.
The sensor stack in a mid-range phone now produces a continuous stream of signals that would have required a clinic a decade ago.
That data is genuinely useful. It has flagged conditions early, prompted appointments and, in documented cases, saved lives.
It is also, legally speaking, in a grey zone: not medical records, not obviously covered by health privacy rules, and frequently processed by third parties.
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