By Sandee LaMotte, CNN
Updated 11:44 AM ET, Mon November 4, 2019
Publication Date:
November 10, 2019
"A new study scanned the brains of children 3 to 5 years old and found those who used screens more than the recommended one hour a day without parental involvement had lower levels of development in the brain's white matter -- an area key to the development of language, literacy and cognitive skills."
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