Pre-school children's speech and language development is in "steady decline" due to an over-reliance on screen time, an expert has said.
More than 25% of three- and four-year-olds own their own smartphone and half of children under 13 are on social media, according to a recent Ofcom report.
One early years centre in North Yorkshire said that some of its pupils even used Americanisms like "diaper" and "garbage" that they had learned from their viewing, but could not communicate basic needs such as needing the toilet.
The Department for Education said it has set a "clear milestone" including advanced early language support to make sure thousands of children are school-ready by age five.