Scans show differences in brains of preschoolers with ADHD

In an important new study, scientists have scanned the brains of preschoolers with symptoms of ADHD. They have found that even in four-year-olds (an age younger than most children are diagnosed) there are “really widespread changes” in the physical brain of children with ADHD, including a smaller brain overall. The researchers will continue to follow the children as they grow to understand changes in the brain over time.

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