Can we measure food intake in humans? Accurately quantifying food intake is essential to understanding the effect of diet on health and diseases and evaluating the efficacy of dietary interventions.

The Dietary Guidelines released this year recommend higher levels of this essential nutrient. But protein needs are personal. Here's how to assess yours.

Researchers at McMaster University have identified several chemical signatures, detectable in blood and urine, that can accurately measure dietary intake, potentially offering a new tool for ...