Cystic Fibrosis is the most common life-threating autosomal inherited disease in Europe incidence varying between 1:1.800 (Slovakia) and 1:25.000 (Finland) new-borns. Currently over 35.000 cases of CF are registered in Europe. Data projections indicate that in Italy 1 out of 2.500-3.000 newborns has CF (200 new cases pro year). A good nutritional status can always contribute to the general wellbeing of children, but in the case of children with chronic diseases, such as cystic fibrosis,...