In November 2025, Denmark became the first country in the European Union to formally ban social media for children under 15, with limited parental opt‑in for ages 13 and 14. The move was driven by unprecedented levels of youth anxiety, depression, and exposure to harmful content concerns echoed across the globe. But Denmark’s decision wasn’t rooted in the belief that children are “too young” in a social sense. It was rooted in neuroscience. Research continues to show that the