Marian Neuhouser

This study looked for substances in blood and urine that can show what a person has eaten, instead of relying on memory or food diaries. Thirty-two healthy adults ate specially prepared meals for a week, and researchers tested their blood, urine, and stool samples. The goal was t…

This study looked for chemicals in blood and urine that can show 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 develop more accurate ways to measure diet than asking people t…