World Health Organization
http://www.who.int/topics/substance_abuse/enl
Narcotics Anonymous
National Institute of Alcohol Abuse & Alcoholism
Alcoholics Anonymous
Drug Watch
American Foundation for Suicide Prevention
NAMI (National Alliance on Mental Illness)
SAMHSA Mental Health
National Center for PTSD
PTSD: National Center for PTSD Home – Veterans Affairs
Office of National Drug Control Policy