Serving Individuals with ADHD-Wired Brains
and Those Who Live or Work with Them

ADDA (Attention Deficit Disorder Association) https://add.org/
Their emphasis is on adults living with ADHD

ADDitude Magazine https://www.additudemag.com/

ADHD Europe https://adhdeurope.eu/
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CHADD (Children and Adults with Attention-Deficit/Hyperactivity Disorder) https://chadd.org/