The TikTok situation in the US has become so legally and politically tangled that a clear summary is genuinely useful.

Congress passed a law requiring ByteDance, TikTok’s Chinese parent company, to divest its US operations or face a ban. The law survived a Supreme Court challenge. The deadline passed. TikTok went dark briefly in the US, then came back when the incoming Trump administration signaled it would not enforce the deadline immediately, seeking instead a negotiated outcome. The app has been operating in a legal grey zone since.

The debate about social media and mental health has been running for a decade. The research has caught up, and the picture is sharper than it used to be.

The harm is not social media use broadly. It is specific: heavy algorithmic feed consumption, particularly among adolescent girls, correlates meaningfully with depression, anxiety, and disordered eating. The correlation survives controls for pre-existing conditions and reverse causality in the most rigorous studies now available. It is not a proven causal chain in every case, but it is strong enough that the “no evidence of harm” position is no longer defensible.