ADDA is the world’s largest organization dedicated exclusively to helping adults with ADHD to live better lives. After 30 years of service, we’ve learned a few things – and we’re here to help you …

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Why Join? Why Attend?

We are an international non-profit – 501C – organization founded over thirty years ago to help adults with Attention Deficit/Hyperactivity Disorder (ADHD) lead better lives. Since its inception,...

Dec 4, 2025 · Articles of Incorporation______________________________

The Attention Deficit Disorder Association (ADDA) is the world’s leading adult ADHD organization. We are an international non-profit – 501C – organization founded over thirty years ago to help …