12 complete symptom paths42 guides and 60 questions in each1,460 Grade A articlesOne searchable, connected knowledge library140 official sourcesEvidence context with explicit limits
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Humidity logging

Measure relative humidity and temperature over time instead of relying on one reading.

Urgency profileInformational
Use timing, location and checks to separate competing explanations.

Trends beat snapshots

Compare occupied, unoccupied and weather periods.

ObserveDistinguishControl sourceVerify
Living dossierPublished knowledge is connected and improved as new cases, images and outcomes are added. Updated 2026-07-20.