Ferritin as an Inflammation Marker Versus Iron Storage Marker
The same ferritin result can signal iron deficiency or inflammation—context determines which.
Marcus Osei-Bonsu
Your Lab Explained — Page 2
Cardiovascular Risk
Lp(a) Elevated Levels and Inherited Cardiovascular Risk
A genetic marker missed by standard cholesterol tests reveals hidden heart disease risk.
Fasting Insulin Reference Ranges for Metabolic Health
Fasting insulin catches metabolic damage a decade before standard glucose tests will.
Priya Nandakumar
More From Your Lab Explained
Prolactin Elevation Beyond Pregnancy and Nursing
Elevated prolactin causes metabolic and reproductive damage beyond hormone imbalance.
Desmond Achterberg
TSH Reference Range Controversy and Thyroid Diagnosis
Labs use flawed reference ranges that misdiagnose millions of thyroid patients.
Solène Marchand-Rioux
Homocysteine as Both a Vascular and Inflammatory Risk Marker
Elevated levels damage vessel walls and reprogram immune cells through two independent mechanisms.
Marcus Osei-Bonsu
Triglyceride to HDL Ratio as an Insulin Resistance Proxy
A simple lipid ratio flags insulin resistance that standard tests routinely miss.
Priya Nandakumar
DHEA-S Levels as a Longevity and Adrenal Marker
High DHEA-S predicts aging patterns, but raising it artificially may not extend lifespan.
Desmond Achterberg
HOMA-IR Score Interpretation and Insulin Resistance
The test measures liver insulin response from a fasting blood draw, not full-body resistance.
Priya Nandakumar
Low White Blood Cell Count Causes and Clinical Significance
Genetic context matters more than the number itself when a blood test flags low white cells.
Solène Marchand-Rioux
Coronary Artery Calcium Score and Lifetime Cardiovascular Risk
The calcium in your arteries reveals decades of damage, not today's risk factors.
Desmond Achterberg
ApoB as a Cardiovascular Risk Marker Beyond LDL Cholesterol
Counting artery-damaging particles directly beats estimating them from cholesterol mass alone.
Desmond Achterberg