The news article reports on a recent study that found a link between high levels of screen time and negative behavioral outcomes in children. The study, which looked at over 2,400 children aged 3 to 5 years old, found that those who spent more time in front of screens had a higher likelihood of displaying externalizing behavior problems, such as aggressiveness and hyperactivity. The researchers suggested that parents and caregivers should limit the amount of time children spend on screens in order to promote better social and emotional development.