Biomarker Literacy

Understanding Your DXA T-Score: Which Population Are You Being Compared To?

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An old library card catalogue with one drawer pulled partly open showing rows of index cards

A T-score isn’t a measurement. It’s a comparison — and the thing you’re being compared to is a specific group of people, chosen decades ago, who may not resemble you at all. That sounds like a technicality. It isn’t. It changes what the number on your report means, and it’s the part almost no one … Read more

Reading FSH and Estradiol on a Lab Report: Units, Reference Ranges and Why Your Numbers Don’t Match

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A sheet of paper held up to a bright window, light showing through

Reading FSH and estradiol on a lab report gets complicated fast when you’ve lived in more than one country. A number that looked alarming on a Seoul lab slip turns out to be unremarkable against the range your doctor at home used. Or the reverse. Before anything else: this is about understanding what’s printed on … Read more