Massive study tests if daily pills can ward off cancer and heart attacks
NCT ID NCT01169259
First seen Nov 01, 2025 · Last updated May 21, 2026 · Updated 28 times
Summary
This large study looked at whether taking daily vitamin D and omega-3 (fish oil) supplements can help prevent cancer, heart disease, and stroke in healthy older adults. Over 25,000 men and women aged 50+ took the supplements for about 5 years. The goal was to see if these common vitamins could lower the risk of developing these serious illnesses.
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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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Locations
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Brigham and Women's Hospital
Boston, Massachusetts, 02215, United States
Conditions
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