Screen time for more than an hour a day can negatively affect a child’s brain

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A new study looked at 3 to 5 year olds who used TVs, tablets and smartphones for more than one hour a day.

Researchers said those children had lower levels of development in the brain’s white matter. That’s an area key to the development of language, literacy and cognitive skills.

The new study used a special type of MRI, and it is the first study to document screen time and brain structure development in preschool-aged kids.

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