Nov 7, 2025 · 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 …

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 scratch with an …

3 days 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 on …

Why Join? Why Attend?

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 adults with …

The Attention Deficit Disorders Association - Southern Region (ADDA-SR) is a nonprofit organization that has served the community since 1987. We host 4 free virtual educational support groups …

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 experience to …

Estrategicamente posicionada para o maior foco no cliente e conciliando o conhecimento técnico à tecnologia de ponta, a ADDA está criando soluções inovadoras para os mais diversos desafios da …

Adda South America Corporation is a retail company based out of R Ibituruna, 484, 490, Sao Paulo, São Paulo, Brazil.

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 another …