In the latest Keeping Kids Healthy column by UTMB Drs. Sally Robinson and Keith Bly: Infant formulas with lower energy density and lower protein content than those historically sold in the United States are being introduced this spring. This change follows the recent addition of novel components such as pre- and probiotics into some formulas. As the number of formula choices increases and the selection process becomes more complicated, families might want to seek their pediatrician’s advice.