Blood test guides

Plain-English explainers for reading your lab results — reference ranges, units, and what common biomarkers mean.

How to Read Your Blood Test Results — What the columns mean, how reference ranges work, and how to tell whether a value actually matters.
Blood Test Units Explained: mg/dL vs mmol/L — Why US and European labs report different numbers for the same result — and how to compare them.
What Does High LDL Cholesterol Mean? — What LDL measures, what a high value may indicate, and the typical target ranges.
Understanding Your Thyroid Panel (TSH, T3, T4) — What TSH, Free T3, and Free T4 measure and how to read them together.