Children and adolescents spend a lot of time watching screens, including smartphones, tablets, gaming consoles, TVs, and computers. On average, children ages 8-12 in the United States spend 4-6 hours a day watching or using screens, and teens spend up to 9 hours. While screens can entertain, teach, and keep children occupied, too much use may lead to problems.
Parents may not always know what their children are viewing, or how...