Health Library topic
Longevity & Prevention
The biomarkers longevity-focused clinicians track, and how preventative testing differs from a routine annual physical.
Biomarker guide
Fasting Insulin
Fasting insulin can be elevated for a decade before glucose or A1C ever move. It is one of the earliest, most actionable signals in bloodwork — and one of the most commonly skipped.
Biomarker guide
ApoB
ApoB counts the actual number of atherogenic particles in your blood. When LDL cholesterol and particle count disagree, ApoB is usually the one telling the truth.
Biomarker guide
Lipoprotein(a)
Lp(a) is largely genetic, stable across your lifetime, and an independent driver of cardiovascular and aortic valve risk. It needs to be measured once — and most people never have been.
Biomarker guide
hs-CRP
High-sensitivity C-reactive protein detects the low-grade, symptomless inflammation associated with cardiovascular disease, insulin resistance, and accelerated aging.
Article
What Blood Tests Should I Get?
A practical framework for building a blood panel that answers real questions — what a standard physical covers, what it leaves out, and which additions change decisions.
Article
Blood Tests for Women Over 40
The decade when hormones, thyroid, metabolism, and bone health all begin shifting at once — and the panel that makes those shifts visible.
Article
Blood Tests That Matter for Longevity
Longevity medicine tracks a small set of markers that predict decades of trajectory rather than confirming today's diagnosis. Here is what those markers are and why.
Article
Normal Labs But You Don't Feel Well
Normal is a statistical statement about a population, not a clinical statement about you. Here is what a reference range actually represents — and what to do next.
Article
Functional Medicine Blood Tests
Functional testing is not a different laboratory. It is a wider panel and a different interpretive standard — optimal ranges, pattern reading, and root-cause questions.
Article
Preventative Blood Tests by Decade
What is worth measuring at 30 is not what is worth measuring at 60. A decade-by-decade view of preventative blood testing.