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 …

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 …

ADDA+ is for adults living with ADHD – adults who are struggling, adults who are thriving, and everyone in between. When you start your ADDA+ membership, you’re not just signing up for …

ADDA offers information, education and support for every adult with ADHD. Got questions? We've got answers.

When you join ADDA, you support an organization working to make your life better. We bring you the latest on adult ADHD, your own mobile app, ADDA Health Storylines, the ADDA …

Regardless of the stigma surrounding ADHD, knowing about your adult ADHD is preferable to struggling unawares. This online test is fast and simple to complete. The World Health …

With the same motive, Adda247 is providing a comfortable learning environment for the aspirants who have been preparing for government exams at an affordable cost price. Started from …

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,...

Since its inception, ADDA has become the source for information and resources exclusively for and about adult ADHD. ADDA brings together scientific perspectives and the human …