Nature talks to specialists about the changes coming to Facebook and Instagram, and whether there’s evidence they will help.

From Australia to India, other countries have also been cracking down on the use of social media by teens.

Critics say the company’s safety record falls short and that many of its protections simply don’t work. They include Marc Berkman, executive director at the Organization for Social Media Safety, who said Meta introduced safeguards promising to protect children in response to public pressure rather than out of concern.

The Kids Online Safety Act, a measure aimed at protecting children on social media, advanced to the Senate floor after it stalled in the last Congress.