Crisis Hotlines: Comprehensive directory of crisis hotlines, including suicide, domestic violence, child abuse and more.

National Institute of Mental Health (NIMH): The largest scientific organization in the world dedicated to research focused on the understanding, treatment, and prevention of mental disorders and the promotion of mental health.

National Mental Health Information Center: Comprehensive listing of mental health links made available by the U.S. Substance Abuse and Mental Health Services Administration's (SAMHSA) Health Information Network.

National Alliance on Mental Illness: The nation’s largest grassroots mental health organization dedicated to improving the lives of individuals and families affected by mental illness.

National Resource Center on ADHD: The nation's clearinghouse for science-based information about attention-deficit/hyperactivity disorder.