National Institute of Mental Health – NIMH is the lead federal agency for research on mental disorder.
American Psychological Association – The the leading scientific and professional organization representing psychology in the United States.
American Psychiatric Association – Promotes the rights and best interests of patients and those making use of psychiatric services for mental illness, including substance use disorders.
Substance Abuse and Mental Health Services Administration – SAMHSA is the agency within the U.S. Department of Health and Human Services that leads public health efforts to advance the behavioral health of the nation.
Psychology Today – The latest from the world of psychology: from behavioral research to practical guidance on relationships, mental health and addiction.
DrugRehab.com – Provides information, resources, and treatment for people battling addiction and related conditions.