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Fat is an essential part of your diet. It provides energy, absorbs certain nutrients and maintains your core body temperature. You need to consume fat every day to support these functions, but some types of fat are better for you than others.
Health topics. Nutrition. Nutrition is the intake of food, considered in relation to the bodyâs dietary needs. Good nutrition â an adequate, well balanced diet combined with regular physical activity â is a cornerstone of good health. Poor nutrition can lead to reduced immunity, increased susceptibility to disease, impaired physical and mental development, and reduced productivity.