6 days ago · 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 …

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 …

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 …

1 day ago · Professional Certification is an on-line examination provided by ADDA to establish a credentialing system based on an individual's competency level. The examinations are based …

Why Join? Why Attend?

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 …

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 …

Oct 24, 2025 · ADDA supports and endorses continuing education and training at every level and stage of the individual’s career. Continuing education can consist of courses, videos, on-line …

ADDA members share stories. Experts share science-based ADHD best practices. Your ADHD is unique. Collect the data. Discover your best strategies to live your best life.

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