School cellphone bans are growing. But scientists aren’t sure if they work yet | The Independent

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https://www.independent.co.uk/life-style/health-and-families/school-cellphone-bans-science-us-b2970215.html

School cellphone bans are growing. But scientists aren’t sure if they work yet | The Independent

American kids over age 8 spend an average of 7.5 hours a day watching or using screens

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Is Coldwater High's cell phone ban working?
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Is Coldwater High's cell phone ban working?