Marian Neuhouser

This study looked for chemicals in blood and urine that can tell researchers what foods people have eaten, like beef, beans, and eggs. Thirty healthy adults ate controlled meals and gave samples over several days. The goal is to replace unreliable food diaries with objective lab …

This study aimed to find chemicals in blood and urine that show what people have eaten, instead of relying on what they say they ate. 32 healthy adults ate controlled diets and gave samples. The goal is to create more accurate ways to measure diet in future research.