Farming exposures under the microscope: massive health study follows 90,000 participants

NCT ID NCT01399411

First seen Jun 27, 2026 · Last updated Jun 27, 2026

Summary

This study follows nearly 90,000 farmers and their spouses to track long-term health effects of pesticides, crops, and animals. Participants report new medical conditions, which researchers then confirm through medical records and genetic samples. The goal is to better understand diseases like asthma and Parkinson's in this group.

What this could mean

Our plain-language read of the trial. This is informational only — not medical advice or a prediction.

What this could lead to

If successful, this study could help identify links between farming exposures and chronic diseases, potentially guiding future prevention strategies.

What could go wrong

This is an observational study, not a treatment trial. It relies on self-reports and may not prove cause and effect. Results may take years to emerge.

Disclaimer Read more

This is a summary of the original study . Summaries may miss details or leave out important information. Before applying or accepting participation, make sure you have read and understood the full study. Curemydisease.com takes no responsibility whatsoever for anything missed, misunderstood, or acted upon as a result of our summary — we know it does not capture everything.

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Conditions

The condition(s) this trial relates to.

asthma autoimmune disease Parkinson disease

As listed by the trial registrant

The condition terms exactly as the trial's registrant entered them.

Contacts and locations

Locations

  • Batelle, Inc.

    Columbus, Ohio, 43201, United States

  • NIEHS, Research Triangle Park

    Research Triangle Park, North Carolina, 27709, United States

  • University of Iowa

    Iowa City, Illinois, 52242, United States