Can a simple questionnaire replace blood tests for measuring healthy eating?
NCT ID NCT02610023
First seen Nov 06, 2025 · Last updated May 16, 2026 · Updated 25 times
Summary
This study looks at how accurately three different food frequency questionnaires estimate how many fruits and vegetables people eat. Researchers will compare the questionnaire results with actual diet records and with levels of carotenoids (plant nutrients) in the blood and skin. The study involves 100 healthy adults who do not smoke or take supplements.
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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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Arthur G. James Cancer Hospital and Solove Research Institute at Ohio State University Medical Center
Columbus, Ohio, 43210, United States
Conditions
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