 Now that school's out for the summer, parents should maybe think about keeping kids active and eating healthy in the weeks ahead. WTOP's Dick Iuliano has some helpful advice from a pediatrician. Kaiser Permanente pediatrician Takima Dixon says unhealthy snacking often accompanies too much screen time. In general, we always recommend that you try to limit screen time to less than two hours a day. Not so easy to do this time of year.