Alcohol and Substance Abuse

Al-Anon and Alateen
Center for Addiction and Mental Health
Cocaine Anonymous World Services Online
National Institute on Drug Abuse
Substance Abuse & Mental Health Services Administration (SAMHSA)
NAABT.ORG (The National Alliance of Advocates for Buprenorphine Treatment)
Drug Abuse

Alzheimer’s Disease/Other Dementias

The Alzheimer’s Association

Anxiety Disorders

Anxiety Disorders Association of America (ADAA)
The Obsessive-Compulsive Foundation
Obsessive Compulsive Disorder Resource Center
Social Phobia/Social Anxiety Association
The Trichotillomania Learning Center

Attention Deficit Disorder

Attention Deficit Disorder Association (ADDA)
Children and Adults with Attention Deficit/Hyperactivity Disorder (CHADD)
National Attention Deficit Disorder Association

Bipolar Disorder

Depression and Bipolar Support Alliance
Resource Guide for Bipolar Disorder 

Depression

Depression and Bipolar Support Alliance
Neuronetics.com
TMS Center of Beverly Hills

Eating Disorders

Eating Disorder Resource Center
National Eating Disorder Association
American Anorexia And Bulimia Association

Schizophrenia

The Schizophrenia Home Page

Other Disorders

Learning Disabilities (NIMH) 

Suicide

Suicide Prevention

General

Healthy Minds
National Institute of Mental Health
Medline (National Library of Medicine)
Mental Health Net Directory
National Alliance for the Mentally Ill (NAMI)
National Institute of Mental Health (NIMH)
National Mental Health Association
Medscape – Online Resource for Medical Information
RxList – The Internet Drug Index
Health, Fitness and Alternative Medicine