This book addresses both the potential negative effects and the positive effects of various forms of media, leading to the need for media literacy across all demographics. Written for psychologists, educators, researchers, and parents, this book discusses the impact of video games, popular music, television, social media and screen addiction, fake news and misinformation, representation in media, as well as the role of big tech in the lives of consumers. The text emphasises the need for a healthy media diet and focuses on the need for media literacy in all societal groups, providing empirically based approaches to teaching media literacy as well as sample media literacy lesson plans.