California Gov. Gavin Newsom signed a bill on Friday that could entirely reshape how kids in the state use social media. Among the potential changes: A requirement that could effectively reshape the TikTok "For You Page" as minors now know it.

The California legislation comes amid growing concerns about the impact of cellphones and social media on adolescents’ mental health.

California Gov. Gavin Newsom on Friday signed a bill that aims to reduce social media use among children, the latest state effort to regulate the medium over increasing concerns that heavy use is damaging to young people.