The researchers observed screen time records for 9,855 children in the ABCD Study. They’re aged 9 or 10 and spend 2.5 hours daily watching TV or online videos on average. Moreover, the kids played ...
当前正在显示可能无法访问的结果。
隐藏无法访问的结果当前正在显示可能无法访问的结果。
隐藏无法访问的结果