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Your health data, explained.

Short, plain-English guides to the things worth understanding about your own health data — privacy, labs, and genetics — without the jargon or the alarmism. Educational only, never a diagnosis.

Privacy·6 min read
Is your DNA data actually private? What the 23andMe collapse taught us
You can change a leaked password, not your genome. A plain-English look at the 23andMe breach and bankruptcy, why genetic data is uniquely sensitive, and the questions to ask before you upload your DNA anywhere.
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The whole picture·5 min read
Why your health data makes more sense when you read it together
A single reading is easy to shrug off. Several that move together over the same few months can be a pattern worth a closer look. Why the signal you're missing usually lives in the overlap between your wearables, labs, and records.
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At your appointment·5 min read
How to get more out of a 15-minute doctor's visit
The average primary-care visit is short, and a lot gets lost in it. A simple ten-minute prep — your top concern, your trends, your questions — quietly makes the appointment bigger. Here's the one-page version.
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Understanding your labs·5 min read
Reference ranges vs. your baseline: why “normal” labs can still miss you
A lab reference range describes a population, not you — and by design ~1 in 20 healthy people fall outside it. Here's what 'normal' really means, and why your own trend over time is often the more useful read.
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Genomics·6 min read
What a polygenic risk score can and can’t tell you
A polygenic score sums thousands of tiny genetic effects into one number — a direction, not a diagnosis. A plain-English guide to what a PRS means, what it doesn't, and why ancestry matters for how much to trust it.
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Your health data, explained.

Is your DNA data actually private? What the 23andMe collapse taught us

Why your health data makes more sense when you read it together

How to get more out of a 15-minute doctor's visit

Reference ranges vs. your baseline: why “normal” labs can still miss you

What a polygenic risk score can and can’t tell you