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flag High screen time in kids linked to worse ADHD symptoms and slower brain development, study finds.

flag Children with higher screen time are more likely to develop severe ADHD symptoms, a large U.S.-based study of over 11,000 nine- and ten-year-olds found. flag Over two years, increased screen use predicted worse ADHD symptoms, even after accounting for initial levels. flag MRI scans showed smaller brain volumes, including in the right putamen and overall cortical volume, along with slower development in brain regions linked to cognition. flag Researchers suggest excessive screen exposure may delay brain maturation, contributing to ADHD-like patterns. flag The findings, published in Translational Psychiatry, highlight the need for screen time guidelines to protect children's neurological and mental health.

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