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Mold

Background Information

NTP is currently conducting studies to better understand how exposure to mold may cause disease. Areas being studied include:

  • Fungal organisms which may be causing human health effects
  • Target organs for fungal toxicity
  • Dose-dependent effects, with emphasis on respiratory and immune health effects
  • Identification of biomarkers of exposure and effects

There have been many reports connecting mold exposure to a variety of symptoms including allergic, respiratory, and neurological problems. Increased exposure to mold may be in part due to:

  • Natural disasters
  • New construction methods
  • Better sealing and insulation in buildings

These NTP studies will help us understand the potential causes of symptoms from mold exposure, with the goal of creating healthier buildings and reducing mold-related health issues.

NTP Studies

NTP is conducting numerous studies in mice to identify potential harm from short and long-term exposure to select molds. These studies will provide toxicology data which can be used by:

  • Other government agencies
  • The public
  • Other stakeholders

The table below lists ongoing NTP studies on molds which include a link to the testing page and any reports or status updates.

Ongoing NTP Studies
Mold Commonly Found Testing Status
Alternaria alternata Organic materials in damp situations, including textiles, stored food, canvas, cardboard and paper, electric cables, polyurethane, jet fuel, sewage and effluents Ongoing
Aspergillus fumigatus Damp indoor environments and on food products Completed
Aspergillus versicolor Damp indoor environments and on food products Ongoing
Damp building mold mixture Damp areas of buildings Planned
Stachybotrys chartarum Damp areas of homes and buildings Ongoing
Stachybotrys chartarum strain 1 Damp areas of homes and buildings Ongoing
Stachybotrys chartarum strain 2 Damp areas of homes and buildings Ongoing
Water damaged building mold mixture Damp areas of buildings Planned

Informational Resources

Fact Sheet
Recent Publications
Other Resources

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