Children and Adults with ADHD is the nation's leading non-profit organization serving individuals with ADHD and their families. customer_service@chadd.org CHADD is the most trusted source for reliable, science-based information on ADHD. CHADD's vision is a world that recognizes, incorporates, and celebrates the strengths of the more than 17 million people in the United States who have been diagnosed with ADHD. CHADD empowers people affected by ADHD by providing evidence-based information; supporting individuals, their families, and professional who assist them throughout their journeys; and advocating for equity, inclusion, and universal rights. CHADD is also the home of the National Resource Center on ADHD funded by the Centers for Disease Control and Prevention.