Technology can be part of a healthy childhood, as long as this privilege isn't abused. For example, preschoolers can get help learning the alphabet on public television, grade schoolers can play educational apps and games, and teens can do research on the Internet.
Health experts have long linked too much screen time to obesity a significant health problem today. When they're staring at screens, kids are inactive and tend to snack. They're also bombarded with ads that encourage them to eat unhealthy foods like potato chips and drink empty-calorie soft drinks that often become favorite snack foods.