Hair and nails may reveal your true diet, study finds
NCT ID NCT04933656
First seen Jan 31, 2026 · Last updated May 01, 2026 · Updated 8 times
Summary
This study aimed to see if measuring stable carbon and nitrogen isotopes in blood, hair, and fingernails could more accurately track what people eat compared to standard diet surveys. Researchers planned to feed healthy adults controlled meals and then test samples. However, the study was withdrawn before enrolling anyone, so no results are available.
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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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Contacts and locations
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Locations
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University of California, San Diego
San Diego, California, 92093, United States
Conditions
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