Screening for hunger and connecting families to resources in their communities is an important first step to conquering the double burden. But since children consume more than half their daily calories at school, we have to make sure the food they eat there is healthy as well.

A multi-pronged approach to football safety, such as advocated by the AAP in its Policy Statement, and by the experts with whom I work on daily basis, is working. We just have to keep not just talking the talk, but walking the walk.

News that TVs and iPads are healthier for our infants and toddlers than previously thought would indeed be cause for celebration as a world of cheap, flexible babysitting opens. But it's a little premature to be ordering cake and filling balloons, for a few reasons.

Research shows that the very young learn best via real life, back-and-forth "talk time." Passive viewing doesn't cut it. Additionally, unstructured offline play stimulates creativity and co-viewing media with children is critical.

Understandably parents want, and need, immediate guidance on how to raise happy and healthy kids, yet rigorous scientific studies of how technology affects the development of young children typically take many years to complete. With technology still in its infancy there is no easy answer to the question of "how much."