All Guides
Lab Testing, Explained
Evidence-based guides across every major testing category. No jargon, no sales pitch — just the science.
Looking up a specific term? See the glossary →
Genetics
9 min read
MTHFR, COMT, and Methylation: What Your Genetics Actually Mean
MTHFR C677T, COMT V158M, VDR Bsm — these variants show up on 23andMe constantly. What the science actually says versus the hype.
Genetics
10 min read
How to Read Your Raw Genetic Data File: A Practical Guide
You have a raw file with millions of lines. Here is how to open it, what the columns mean, and how to look up specific SNPs.