There's some evidence that treatment, either with behavioral therapies or medication, can improve the outlook for affected children.
"Definitely, we want all kids to be treated and to have the best chance possible for success in life," Froehlich said. "So if people truly have ADHD and they're not identified, that's going to hold them back."
For more on ADHD, visit the U.S. Centers for Disease Control and Prevention.
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