Biomarkers
Progesterone Test: Timing, Ovulation, and Hormone Balance
Quick answer: A progesterone test measures the level of progesterone in your blood to confirm ovulation, evaluate luteal-phase function, support…
Category: Biomarkers
What your blood tells you. Plain-English guides to biomarkers like ApoB, hs-CRP, HbA1c, and the lab numbers that actually predict long-term health.
Biomarkers
Potassium Blood Test: The Electrolyte That Steadies Your Heart
Quick answer: A potassium blood test measures the concentration of potassium ions in your blood serum or plasma, reported in…
Biomarkers
Platelet Count: Clotting, Bleeding, and What the Numbers Mean
Quick answer: A platelet count test measures the number of thrombocytes, the tiny clotting cells circulating in your blood, and…
Biomarkers
Phosphorus (Phosphate) Test: Bone, Kidney, and Energy Marker
Quick answer: A phosphorus blood test (also called a phosphate blood test) measures the amount of inorganic phosphate dissolved in…
Biomarkers
Omega-3 Index Test: Measuring the Fatty Acids in Your Cells
Quick answer: The omega-3 index test measures the amount of EPA (eicosapentaenoic acid) and DHA (docosahexaenoic acid) in your red…
Biomarkers
Morning Cortisol Test: Reading Your Stress Hormone Right
Quick answer: A morning cortisol test measures serum or salivary cortisol between 7 and 9 a.m., when levels naturally peak…
Biomarkers
Microalbumin Test: Catching Kidney Damage Early
Quick answer: A microalbumin test measures the amount of albumin protein leaking into your urine, which is a sensitive early…
Biomarkers
MCV, MCH, and RBC Indices: Decoding Your Red Cell Size
Quick answer: RBC indices are four numbers on a standard CBC that describe the size, hemoglobin content, hemoglobin concentration, and…
Biomarkers
Magnesium Blood Test: Why Serum Levels Hide a Real Deficiency
Quick answer: A magnesium blood test measures the magnesium concentration in your blood to screen for deficiency or excess. The…
Biomarkers
Lipoprotein(a) Test: The Inherited Heart Risk Most Doctors Skip
Quick answer: A lipoprotein a test (written clinically as a lipoprotein(a) test) measures Lp(a), a genetically determined cholesterol particle that…
Biomarkers
LDL Particle Number (LDL-P): Why Particle Count Beats Cholesterol
Quick answer: LDL particle number (LDL-P) is the count of LDL carrier particles in your blood, measured in nanomoles per…
Biomarkers
hs-CRP Test: Measuring the Hidden Inflammation Behind Heart Disease
Quick answer: The hs-CRP test (high-sensitivity C-reactive protein) measures a protein your liver releases in response to inflammation, at a…