孩子到底能不能看手机？从WHO到脑科学，把屏幕时间说清楚

第1期，以WHO和AAP权威指南为骨架，结合2024-2025年脑科学纵向研究，给出按年龄段的屏幕时间建议和5个可执行的家庭规则。

本期内容信息来源：

• WHO: Guidelines on physical activity, sedentary behaviour and sleep for children under 5 years of age：www.who.int
• AAP: Where We Stand — Screen Time（美国儿科学会官方立场）：www.healthychildren.org
• AAP: Kids & Screen Time — How to Use the 5 C's of Media Guidance：www.healthychildren.org
• 科技日报：2 岁前过多看屏幕可能影响大脑发育（新加坡纵向研究报道）：www.stdaily.com
• Nature Scientific Reports: Screen time exposure and executive functions in preschool children (2024)：www.nature.com
• Springer: Longitudinal associations of screen time and outdoor physical activity trajectories with executive function in children aged 4 (2025)：link.springer.com