Skol & Hati

Your Numbers

What the common blood markers mean, what moves them, and which ones are worth your attention. General-audience information — not medical advice.

6 BREAKDOWNS

A bright parallelogram of low sun cast across a worn wooden floor, dust motes in the beam, the corner of a woven rug at the edge
Hati · Biomarkers5 MIN
Vitamin D: what the 25-hydroxy number means
The sunlight hormone, the blood test that stands in for it, and an honest read of a hyped literature. Plain numbers, both directions.
2026-08-16
A ceramic sugar bowl with a wooden spoon beside a cup of black coffee on a pale scrubbed table, seen from above in grey morning light
Hati · Biomarkers5 MIN
HbA1c: your three-month sugar average
One number that summarizes ninety days of blood sugar — no fasting required. What it is, why it beats a single glucose reading, and what moves it.
2026-08-16
A gel ice pack resting on a rolled grey towel on white bathroom tile in cool window light
Hati · Biomarkers5 MIN
hs-CRP: the inflammation number, explained
One protein, one number, and a surprisingly honest read on how calm your system is running. What the categories mean and what moves them.
2026-08-16
A dozen brown eggs in a wire basket beside a glass olive-oil cruet on a pale kitchen table in soft grey morning light
Hati · Biomarkers5 MIN
ApoB: the particle count your cholesterol panel hides
LDL tells you how much cargo. ApoB counts the trucks. Why lipid researchers keep saying the truck count is the number that matters.
2026-08-16
A cast-iron skillet with seared steak and wilted spinach on a wooden kitchen table at dusk, warm lamplight against a blue garden window
Hati · Biomarkers5 MIN
Ferritin: what it is, and what the number reflects
The storage form of iron, the lab value that stands in for it, and why tired lifters keep hearing about it. Plain numbers, no panic.
2026-08-16
A wrist fitness band beside an open notebook with a single hand-drawn descending line, in early-morning blue light
Hati · Measurement5 MIN
Resting heart rate: the free recovery metric you already wear
What normal looks like, what moves it overnight, and why a week of mornings beats any single reading.
2026-08-15

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