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Weight Management and Obesity by Courtney Winston Paolicelli

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Chapter 1

Fundamentals of Nutrition, Calorie Balance, and Body Weight

Weight management and obesity prevention are two of the hottest topics in health and nutrition today. Clinicians from virtually every medical field seek information on these topics, in part, because of the vast number of patients who have an abnormal or undesirable weight status. This chapter will provide an overview of calorie balance and the macronutrients that contribute to energy intake.

Calorie Balance

Body weight is primarily determined by a simple concept known as energy balance. Energy balance is the ratio of energy ingested through foods and beverages to the energy expended through basal metabolism, the thermic effect of food, and physical activity.

The energy discussed ...

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