The article explores the detrimental effects of excessive screen time on cognitive development in children. A growing body of research suggests that prolonged exposure to screens, such as smartphones, tablets, and computers, can have profound negative impacts on children's attention spans, memory retention, and problem-solving skills. Experts warn that this digital overload may also hinder social and emotional development, as children become more isolated and less capable of forming meaningful relationships. Parents are advised to limit their children's screen time and encourage activities that promote physical and mental well-being. By fostering a balance between technology use and real-world experiences, parents can help mitigate the harmful effects of excessive screen time and support their children's overall development.