Mold Exposure & Cancer Mold exposure isn’t just about musty smells or visible patches on walls. Certain molds produce mycotoxins , biologically active compounds that can interact with human cells in ways that go far beyond allergy symptoms or respiratory irritation. Research over the past several decades has explored how chronic mold and mycotoxin exposure  may contribute to long-term health risks, including associations with specific cancers. While research is ongoing and co