Group 1 - The article discusses the phenomenon of "time-space anxiety," where individuals struggle to focus on the present due to overwhelming worries about future events and external pressures [1][2] - It highlights the brain's inherent "negative bias" mechanism, which evolved as a survival tool but now leads to excessive anxiety in modern life, triggered by minor stressors [2][3] - The article emphasizes the importance of distinguishing between controllable and uncontrollable factors in life, suggesting that individuals should focus on what they can manage [2][3] Group 2 - Strategies are proposed for managing anxiety, such as breaking down large fears into smaller, actionable tasks to regain a sense of control [4][5] - The article suggests setting boundaries with information consumption, like designating "information quiet hours" to reduce anxiety from constant notifications [5] - It encourages mindfulness practices, such as focusing on breathing and being present, to alleviate anxiety and improve mental resilience [5][6]

Core Viewpoint - The article discusses a study published in Nature that reveals adolescents with anxiety and depression spend more time on social media but report lower satisfaction with their online experiences [2][3]. Summary by Sections - **Study Overview**: The research conducted by Cambridge University analyzed data from a 2017 NHS survey involving 3,340 adolescents aged 11-19, focusing on their social media usage and feelings towards it [2]. - **Mental Health Findings**: 16% of participants had at least one mental health issue, with 8% experiencing "internalizing" problems like depression and anxiety, and 3% having "externalizing" issues such as ADHD [3]. - **Social Media Usage**: Adolescents with mental health issues spend an average of 50 minutes more on social media daily compared to their peers, and they are more likely to feel dissatisfied with aspects of their online interactions, such as the number of online friends [3]. - **Comparative Behavior**: Those with "internalizing" mental health issues are more prone to social comparison online, influenced by feedback metrics like likes and shares, and find it harder to control their social media usage [3]. - **Parental Guidance**: The findings serve as a warning for families, suggesting that parents should carefully monitor their children's social media use if they exhibit signs of anxiety or depression [3].