The Food We Eat
Everyone needs to be healthy and to stay alive . However , we cannot eat only one kind of food . We need a balanced diet . In other , we need food which contains five important substances : proteins ,minerals, carbohydrates ,fats and vitamins .
Energy in is measured in calories . A person need about 40 calories a day for each kilo that he weighs . If you eat more calories than you need , your body stores the extra calories as fat .