Instagram限制青少年观看内容，多国收紧未成年人使用社交媒体限制

Group 1 - Danish Prime Minister Mette Frederiksen announced a ban on social media for children under 15, aiming for implementation by next year, citing rising anxiety and depression among youth [1] - Meta, the parent company of Instagram, announced on October 14 that content accessible to users aged 13 to 18 will be restricted to PG-13 standards in the U.S. to reduce exposure to violent or adult content [1] - Data presented by Frederiksen indicated that 60% of Danish boys aged 11 to 19 have not met friends in their free time, and 94% of seventh graders have social media accounts before age 13 [1] Group 2 - Denmark's Digital Minister Caroline Stach stated the government's announcement is a breakthrough, emphasizing the need to shift from digital confinement to real communities [2] - Australia has implemented a law prohibiting social media use for those under 16, with fines up to 50 million AUD for non-compliance, effective December this year [2] - A new regulation in the UK requires age verification for users accessing high-risk content on social media, with similar initiatives being pursued in several other countries [2] Group 3 - A report from the U.S. Public Health Agency highlighted that frequent social media use among 10 to 19-year-olds may lead to structural brain changes, particularly in areas related to emotion and impulse control [3] - Despite concerns, social media can help children and adolescents build and maintain friendships and provide social support [3] - Richard Lord from Google stated that while the intention behind banning children from social media is good, enforcement is challenging and may undermine existing child safety mechanisms [3]