Massive 30-Year Women's health study reveals hidden disease links
NCT ID NCT03285230
First seen Jun 27, 2026 · Last updated Jun 27, 2026
Summary
This long-running study follows nearly 100,000 French women, mostly teachers, since 1990 to understand what factors influence their risk of cancer, heart disease, diabetes, and other major illnesses. Participants fill out questionnaires every few years about their lifestyle, medical history, and health changes. Researchers also collected blood and saliva samples from many participants to study biological markers. The goal is to uncover patterns that could help prevent disease in women as they age.
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 lifestyle and medical factors that raise or lower the risk of major diseases in women.
What could go wrong
This is an observational study, not a treatment trial, so it cannot prove cause and effect. Results may take years to influence medical practice.
Disclaimer
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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.
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.
As listed by the trial registrant
The condition terms exactly as the trial's registrant entered them.
Contacts and locations
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Locations
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Study site
Villejuif, 94800, France