You know what is a balanced diet?

The human body needs over forty different types of nutrients to maintain proper operation. The concept of a balanced diet states that consuming various foods in moderation is possible to obtain all needed for tissue development, to regulate metabolic processes and adequate power to weight control ingredients.
Although all require essential nutrients and energy, their amounts differ according to the stage of life. Children have different needs to their grandfather for example, and pregnant or lactating has distinct needs of a teenage girl. The requirements also vary according to sex, especially regarding the amount of iron in the diet. Besides individual variations in lifestyle may determine different nutrient requirements.
A long distance runner in training for a marathon has nutritional somewhat different from a sedentary needs. The guy trying to lose weight need to balance the loss of calories with nutrient adequacy. The diabetic person needs a rigid nutritional plan for a balanced diet. Thus there are numerous conditions that can influence the nutrient requirements and the concept of balanced diet.
The food supply in World is extremely rich, and most individuals who have a varied diet receives nutrients in adequate quantity. However there seems to be a concern in relation to food of many Brazilians due to the fact they consume excessive amounts of processed products. This may be true, since improper handling may result in a reduction of the major nutrients and addition of some nutritional ingredients and high caloric intake, like fat and sugar.
An unbalanced diet is not due to lack of proper food, but to our feed option. To improve our habits we must learn to choose better foods.