1. Nutrition is the study of food and how it nourishes our bodies and influences health. It encompasses consumption, digestion, absorption, metabolism, storage and excretion of food.
2. Nutrition is important because it contributes to wellness by preventing diseases like nutrient deficiency diseases and playing a role in chronic diseases. Nutrition also helps meet national health goals.
3. Nutrients are the chemicals in food that are critical to human growth and function, including macronutrients like carbohydrates, fats, and proteins that provide energy, and micronutrients like vitamins and minerals needed in smaller amounts.