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Prepares students to integrate the biology of nutrition in solving public health problems globally, with application to public health research, policy and practice. Summarizes the history of nutritional sciences as related to public health and provides an integrated overview of the physiological functions of energy, macronutrients and micronutrients that influence health, and risk for disease. Includes topics: dietary sources and nutrient requirements, absorption, metabolism, and function. Covers advances in the use of novel assessment techniques and biomarkers in the diagnoses of deficiency and nutritional status. Describes dynamics of the nutrition transition occurring globally and dietary underpinnings of overweight and non-communicable disease risks. Covers emerging topics linking nutrition, immunity, and gut microbiome. Extends nutrition principles to the health and disease risks across the lifespan and for conditions across the spectrum of under- to overnutrition.