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Almost a quarter of kids aged 5-7 have smartphones

The regulator calls the data a "wake up call", and says parents and industry need to do more.

Heather Bryson who is 11 won wide recognition for her online exercise videos designed to help people in care homes during the pandemic, particularly those suffering dementia. Mark Zuckerberg, the chief executive of Meta which owns WhatsApp and Instagram, has previously suggested that he favours requiring app-stores to check the ages of users. If you are reading this page and can't see the form you will need to visit the mobile version of the BBC website to submit your question or comment or you can email us at HaveYourSay@bbc.co.uk.

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