How Often is ADHD Misdiagnosed Sponsored by DaVinci Laboratories

By Ian Bier, ND, PhD, LAc

From 1997 to 2016, attention deficit hyperactive disorder (ADHD) diagnoses have almost doubled, from 6.1% to 10.2%, in children and adolescents age 4 to 17.1

In 2013, the 5th Edition of the Diagnostic and Statistical Manual of Mental Disorders (DSM-5) was released. In this edition, the criteria for identifying ADHD symptoms was expanded and modified to make it easier for physicians to provide a better diagnosis. Instead we are seeing a larger percentage of children being misdiagnosed and ultimately suffer the consequences of taking unnecessary prescription medicine during the most important stage of their development.

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About the Author

Ian Bier, ND, PhD, LAc has worked in the scientific and health care fields for over 25 years. Bier has a PhD in Human Services with a focus in Therapeutic Nutrition, and is a Fellow of the American Board of Naturopathic Oncology. With experience in clinical, research and academic positions, he is a holistic doctor that brings all of those pieces together to provide the best in natural health. He practices at Human Nature Natural Health in Portsmouth, NH. 


  1. “Twenty-Year Trends in Diagnosed Attention/Hyperactivity… - JAMA Network.” 2018. Accessed July 15, 2019.