Mold, Explained: The Macro View of Earth's Quiet Decomposers
Mold isn't a home-maintenance problem that wandered into nature. It's a basic part of how the planet recycles itself. Here's the big picture.
The big picture on mold
Mold is everywhere. Here's what actually matters.
From fungal ecology to indoor air, mycotoxins to humidity control: clear, sourced writing that separates the established science from the scare.
Latest
Is "Toxic Mold" Real? What the Evidence Actually Shows
A sober look at what major scientific reviews say mold exposure does, what remains uncertain, and where marketing outruns the science.
Mycotoxins Explained: The Real Danger Is Mostly on Your Plate
Aflatoxin, ochratoxin, ergot and the others: what mycotoxins are, where the evidence of harm is strongest, and why food matters more than air.
It's the Damp, Not Just the Mold: What Large Reviews Found
Why researchers now study "dampness" rather than mold alone, and what that means for protecting your health at home.
"Mold Illness" and CIRS: Understanding the Controversy
Chronic inflammatory response syndrome is a hot topic online and contested in medicine. Here's what's claimed, what's been tested, and how to think about it.
Mold Testing: What Works, What Doesn't, and What's Marketing
Air samples, swab tests, ERMI, home kits and urine mycotoxin panels: a plain-language guide to what each can and can't tell you.
The Humidity Playbook: How to Keep Mold Out of Your Home
A practical, evidence-based plan for controlling indoor moisture: target numbers, equipment, habits, and the first 48 hours after a leak.
Browse by topic
ScienceWhat fungi are, what they do, and how they fit into the living world.HealthWhat the evidence says about mold, allergy, asthma and the contested corners.HomeHumidity, testing and prevention: the practical building-science side.Food & ToxinsMycotoxins, spoilage and why your plate matters more than the air.History & CultureThe molds behind penicillin, cheese, soy sauce and modern medicine.
Dealing with mold in Houston? Our sister site HTX Mold Removal covers local testing, remediation and Texas rules.