Undernutrition: Undernutrition is a specific form of malnutrition characterized by insufficient calorie intake, resulting in weight loss and stunted growth.
Overnutrition: Overnutrition occurs when there is excessive intake of calories and nutrients beyond what the body needs, leading to obesity and related health problems.
Micronutrients: Micronutrients are essential vitamins and minerals required in small amounts for proper bodily functions. Examples include iron, vitamin C, and calcium.