Young TikTok Users Quickly Encounter Problematic Posts, Researchers Say. TikTok (ByteDance), Social Media, Teenagers and Adolescence, Mental Health and Disorders, Eating Disorders, Weight, Research, Video Recordings, Downloads and Streaming, Computers and the Internet, Beijing Bytedance Technology Co Ltd, Douyin (ByteDance), Instagram Inc, Russell, Molly (d 2017)