According to leaked documents, it takes just 35 minutes, or 260 videos, to become addicted to TikTok.
An internal investigation also found that kids as young as 15 were performing inappropriately for gifts and coins, which can be cashed in for real money.
Kentucky investigators also claim that TikTok prioritizes attractive people in its algorithm.
Other documents claim TikTok was aware that its platform interferes with responsibilities like sleep and connecting with loved ones.
More than a dozen states, including California and New York, are suing TikTok for allegedly deceiving the public regarding the safety of the app.