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Diet and health are two closely linked subjects. Different kinds of food contain different kinds of nutrients. There is not a single kind of food which can provide all the nutrients our body needs. Having a balanced and diversified diet can enable us to get a full complement of nutrients which are vital to our staying healthy. On the contrary, inappropriate diet and nutritional imbalance can lead to many diseases.
 
Food is the source of energy and nutrients. Eating a broad variety of food can help us absorb different kinds of nutrients so as to support our body movement, maintain normal functions and repair cells and tissues. Nutrients can be categorized as follows:
 
  • Marco-nutrients provide energy, which include carbohydrate, protein and fat, is required in large amounts in the diet.
  • Mirco-nutrients include vitamins and minerals.