A mother expresses concern that her 1-year-old infant is ove…

A mother expresses concern that her 1-year-old infant is overweight. She states that her family has a tendency to be overweight and wishes to discontinue formula feedings and start the infant on low-fat milk. The nurse assesses that the present weight of the infant is 24 lb. The infant’s birth weight was 8 lb 2 oz. The best response of the nurse would be: