“…Rat studies have shown that decreased energy intake for the first 21 days of life leads to adults with lower lung weight, reduced number of alveoli and low tissue stores of pulmonary surfactant. 3 In infants receiving fat-free intravenous nutrition, there is a correlation between glucose intake and CO 2 production. Maximum neonatal glucose oxidative capacity is 12 to 13 mg/kg per minute, or 18 g/kg per day.…”