All children lie occasionally. But some ADHD-diagnosed kids lie a lot! Researcher Russell Barkley and his associates found that up to 50% of ADHD children lie compared to 5% of their non-ADHD peers. Lying can become a great source of difficulty and frustration for those who work with or are raising ADHD-diagnosed kids. In this post, we’ll discuss the reasons why your child lies and how you can address the issue.