What's causing the mental health crisis among young people of the 2010s-2020s?

Prediction market on manifold. Resolves according to what whatever source I consider most trustworthy on the subject (probably the APA, CDC, or Scott Alexander) lists as the causes on Jan 1, 2030.

24h Volume: $27.334. Liquidity: $2,545. Resolves: 1/2/2030.