Canadian Medical Guide > Diseases > Nutritional and Metabolic Diseases > Nutrition Disorders Terms and Definitions
Nutrition Disorders
| Medical Definition: | Disorders caused by nutritional imbalance, either overnutrition or undernutrition. | 
| Guide Notes: | differentiate from DEFICIENCY DISEASES (results from deficient intake) & METABOLIC DISEASES | 
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Child Nutrition Disorders - Disorders caused by nutritional imbalance, either overnutrition or undernutrition, occurring in children ages 2 to 12 years. | 
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Infant Nutrition Disorders - Disorders caused by nutritional imbalance, either overnutrition or undernutrition, occurring in infants ages 1 month to 24 months. | 
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Malnutrition - An imbalanced nutritional status resulted from insufficient intake of nutrients to meet normal physiological requirement. | 
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Overnutrition - An imbalanced nutritional status resulted from excessive intake of nutrients. Generally, overnutrition generates an energy imbalance between food consumption and energy expenditure leading to disorders such as OBESITY. | 
Nutrition Disorders Medical Definitions and Terms
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