TikTok is flooding teen users with videos of rapid-weight-loss competitions and ways to purge food that health professionals say contribute to a wave of eating-disorder cases spreading across the country.
A Wall Street Journal investigation involving the creation of a dozen automated accounts on TikTok, registered as 13-year-olds, found that the popular video-sharing app’s algorithm served them tens of thousands of weight-loss videos within a few weeks of joining the platform.
