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Areas of Research

NTP has a broad mandate to provide toxicological characterizations for chemicals and agents of public health concern and strives to balance the selection of substances for study. This has resulted in a diverse research program with emphasis on synthetic industrial chemicals, pesticides, drugs, metals, and food additives. NTP continues to explore new areas of research. In general, these initiatives are broad-based and include various health-related endpoints.

Current Areas


Bisphenol A

NTP is evaluating the potential health effects of BPA, a chemical used primarily in the production of polycarbonate plastics and epoxy resins. Go
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Botanical Dietary Supplements

NTP is studying select botanical dietary supplements to identify potential harm from short-term and long-term exposure. Go
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Cell Phones

NTP has conducted studies to help clarify any potential health hazards, including cancer risk, from exposure to cell phone radiofrequency radiation. Go
Tractor going across crops

Glyphosate and Glyphosate Formulations

NTP is conducting a series of in vitro and in vivo screening assays to evaluate glyphosate and glyphosate formulations. Go
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Medicines and Therapeutics

NTP is studying select medicines and therapeutics to identify potential harm from short-term and long-term exposure. Go


NTP is currently conducting studies to better understand how exposure to mold may cause disease. Go
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Polycyclic Aromatic Compounds

NTP is currently studying PACs to learn more about the toxicity of individual PACs and PAC mixtures. Go


NTP is performing a set of studies to evaluate sulfolane toxicity and its potential health impacts of exposure. Go
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Synthetic Turf/Recycled Tire Crumb Rubber

NTP is working to enhance the understanding of potential health impacts of chemicals released from synthetic turf.  Go

Completed Areas

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Hexavalent Chromium

NTP studied the short-term toxicity and long-term carcinogenicity of sodium dichromate dihydrate administered to rodents in drinking water.  Go
West virginia researcher collecting sample

West Virginia Chemical Spill

NTP has completed the West Virginia chemical spill research program. NTP's Final Update, collective findings, and supporting files are now available. Go