Below you will find links to groups and other organizations that can provide information concerning mental illness, mental retardation and substance abuse. General Information Loudoun County Public Library Loudoun County Public Schools' Parent Resource Center Mental Health American Psychological Association Anxiety Disorders Association of America Center for Mental Health Services Children & Adults with Attention-Deficit/Hyperactively Disorder Depression and Bipolar Support Alliance National Information Center for Children & Youth with Disabilities National Mental Health Foundation Obsessive Compulsive Foundation Mental Retardation ARC of Loudoun County Down Syndrome National Down Syndrome Society ECHO Handinet of Virginia National Information Center for Children & Youth with Disabilities National Program Office on Self-Determination Parent Infant Education President's Committee for People with Intellectual Disabilities Presidential Taskforce on Employment of People with Disabilities Virginia Institute for Developmental Disabilities Virginia Board for People with Disabilities Substance Abuse Al-Anon/Alateen Alcoholics Anonymous Center for Substance Abuse Research Narcotics Anonymous National Institute on Alcohol Abuse & Alcoholism Partners for a Drug-Free America Smoke-Free Virginia Substance Abuse & Mental Health Services Administration Seniors Alzheimer's Association American Health Assistance Foundation