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General Nutrition Considerations & Nutritional Requirements – The Merck Manual

Acknowledgment
Last full review/revision in The Merck Manual – Professional Edition by Adrienne Youdim, MD

 

Abstract

Good nutrition aims to achieve and maintain a desirable body composition and high potential for physical and mental work. Balancing energy intake with energy expenditure is necessary for a desirable body weight. Energy expenditure depends on age, sex, weight, and metabolic and physical activity. If energy intake exceeds expenditure, weight is gained. If energy intake is less than expenditure, weight is lost.

Daily dietary requirements for essential nutrients also depend on age, sex, weight, and metabolic and physical activity. Every 5 yr, the Food and Nutrition Board of the National Academy of Sciences/National Research Council and the US Department of Agriculture (USDA) issues the dietary reference intakes (DRIs) for protein, energy, and some vitamins and minerals.

 

Read full text of article here.

 
Author
Dr. Adrienne Youdim

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