https://www.krt.com.hk/post/8454/%e7%a0%94%e7%a9%b6%e9%a1%af%e7%a4%ba%e7%be%8e%e5%9c%8b%e9%9d%92%e5%b0%91%e5%b9%b4%e5%85%92%e7%ab%a5%e7%9a%84%e7%b2%be%e7%a5%9e%e5%81%a5%e5%ba%b7%e4%b8%89%e5%8d%81%e5%b9%b4%e4%be%86%e6%af%ab%e7%84%a1/
研究顯示美國青少年兒童的精神健康三十年來毫無改善