Bloodwork
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Total vs free testosterone: why the same blood reads low at one lab and normal at another
A testosterone result is not one number, it is a number plus an assay plus a time of day. Get any of those wrong and the result is not wrong exactly, it is unusable.
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Do statins buy healthspan? What STAREE found in 10,000 healthy adults over 70
The first big trial to ask whether a primary prevention statin buys good years rather than just fewer events. It got a clean answer, and the answer was no.
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Am I statin eligible under the 2026 guideline? How to run your own numbers
The new risk calculator scores most people lower than the old one, and eligibility still went up by 21.5 million. The reason is a second clock nobody was running before.
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Can you lower Lp(a)? The drugs in trials, and why none is approved yet
For years the only advice on a high Lp(a) was to drive every other risk factor down, because nothing touched the number itself. Five drugs were going to change that. The first one to finish its outcomes trial just failed it.
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ApoB and Lp(a): what a normal cholesterol panel misses
A cholesterol panel can call you fine while the number that actually drives plaque sits unmeasured. Two markers, one of them a single lifetime test, fix that.
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How often to retest bloodwork: a cadence per marker class
Each marker has an equilibration time. Draw before it settles and you are measuring the transient, not the new baseline. Here is the cadence that fits the biology.
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Optimal vs normal blood test ranges (and why they differ)
Normal means inside the middle 95% of a reference population. It does not mean fine, and optimal is a different question entirely. Here is how to read both.