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MRIs show screen time linked to lower brain development in preschoolers

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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