This lecture focuses on how people measure nutrition and what it means for health. Professor Brownell reviews methods to track food intake, from a population level to an individual level, emphasizing methods and measurement error as well as portion underestimation. The definition of a calorie and how it is measured are also discussed, as well as people's changing relationships with macronutrients and micronutrients in food and with water.

本课程涵盖了吃的研究，因为它会影响每一个人类的健康。 主题包括口味喜好，对食物的反感，食物宗教，食物舒适性，社会仪式饮食，为粮食问题的社会规范的责任。 还审查营养不良的问题，例如，饮食失调，肥胖流行和全球影响的儿童食品广告的原因，贫穷和粮食，以及现代化环境如何影响每个人的饮食习惯。