That's why the Institute of Medicine says it's time to help prevent babies, toddlers and preschoolers from getting too pudgy too soon.
Among the recommendations are for better guidelines on what and how much toddlers should eat. It is something like a food pyramid for the 2 and under set so they never get hooked on junk food.
Also, the report urges at least 15 minutes of physical activity for every hour preschoolers spend in child care.
Researchers claim that one in five youngsters already is overweight or obese by kindergarten.