Are We Missing Mold Toxins?

A closer look at diagnostic gaps between immune response and toxin detection

By
Jessica Allerton
April 16, 2026
6 min

The Pathologist

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Mold exposure testing presents significant diagnostic challenges due to the limitations of traditional blood tests that only measure immune responses and not the toxins themselves. Dennis Hooper, a pathologist and environmental medicine expert, emphasizes the need for urine-based toxicology, which detects mycotoxins. This approach can clarify ongoing exposure, unlike immune response testing that indicates past exposure. Establishing clear distinctions between these testing methods is crucial for accurate diagnosis and management of symptoms linked to mold exposure.