TikTok has become the new “Dr. Google” for teens, and some are diagnosing themselves with rare mental disorders. “It really messed with my head,” an 18-year-old said.
Faulty self-diagnosis makes treatment a challenge; ‘We felt for a long time that we were competing with social media,’ one teen’s father said
A Wall Street Journal investigation found that TikTok only needs one important piece of information to figure out what you want: the amount of time you linger over a piece of content. Every second you hesitate or rewatch, the app is tracking you. Photo illustration: Laura Kammermann/The Wall Street Journal
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