The food we eat occupies a central place in our lives and affects our health. Even though major advances have been made over the last decades, malnutrition is still a global problem. It can result from such factors as famine, nutrient deficiencies, excessive body mass, and obesity. If we wish to deal with food and health challenges, it is important to understand our dietary choices, our dietary regimes, the composition of the foods we eat, and inequalities in our access to food. At INRAE, our...