Diet and Nutrition are complementary to each other. For proper nutrition of body, a healthy and balanced diet is what that is required the most. According to nutrition, the diet is simply described as the food that a person or other organism consumes. Different cultures or individuals have different food habits. Whatever many be your food habit, an individual must have proper diet and nutrition. A proper nutritious diet should include right mixtures of all the elements including vitamins, minerals, carbohydrates, proteins, and fats.