The American Psychological Association is the largest scientific and professional organization representing psychology in the United States.
HADD is a membership organization, produces the bi-monthly Attention magazine (for members), and sponsors an annual conference. The National Resource Center on ADHD (NRC) is the CDC-funded national clearinghouse for evidence-based information about ADHD.
The Mental Help Net website exists to promote mental health and wellness education and advocacy.
APA’s Psychology Help Center is an online consumer resource featuring articles and information related to psychological issues affecting your daily physical and emotional well-being.
The mission of NIMH is to transform the understanding and treatment of mental illnesses through basic and clinical research, paving the way for prevention, recovery, and cure.