Mother-Daughter study tests if cleaning up your home can cut breast cancer risk
NCT ID NCT04265547
First seen Jun 26, 2026 · Last updated Jun 26, 2026
Summary
This study looked at whether mother-daughter pairs who change their household habits—like using chemical-free products and better cleaning—can lower their exposure to harmful chemicals and alter breast tissue composition. The goal was to see if these changes could reduce breast cancer risk. The trial involved 32 participants and measured chemical levels in urine and breast tissue using a special light-based machine.
What this could mean
Our plain-language read of the trial. This is informational only — not medical advice or a prediction.
Active substance
behavioral intervention (household cleaning and product changes)
What this could lead to
If successful, this could show that simple household changes reduce exposure to chemicals linked to breast cancer risk, pointing toward prevention strategies.
What could go wrong
This is a very small, early feasibility study with only 32 participants. It measures short-term changes in tissue and urine, not actual cancer outcomes, so results may not lead to clear health recommendations.
Disclaimer
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This is a summary of
the original study
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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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Columbia University Mailman School of Public Health
New York, New York, 10032, United States