Research summaries on mental health care.
Plain-English summaries of specific federal reports and peer-reviewed studies, each linked to its source. Start with our summary of the SAMHSA N-SUMHSS 2024 treatment facility survey, then read what the evidence shows on treating co-occurring mental illness and substance use.
Mental Illness in the United States: 2025 National Survey on Drug Use and Health
SAMHSA's national survey estimates of how many U.S. adults had a mental illness in the past year, and how many of them received treatment.
- Access & Policy2025
N-SUMHSS 2024: Where Mental Health Residential Care Is Offered
SAMHSA's 2024 survey of U.S. treatment facilities: how many mental health facilities offer residential care, who operates them, and which payers they accept.
N-SUMHSS 2024: Data on Substance Use and Mental Health Treatment Facilities (Publication No. PEP25-07-013)Read summary → - Dual Diagnosis2019
Treating Co-Occurring Mental Illness and Substance Use: What the Evidence Shows
A Cochrane review of randomized trials of psychosocial treatments for people with severe mental illness and substance misuse: what it does and does not show.
Cochrane Database of Systematic ReviewsRead summary → - Family2022
Family Interventions and Relapse Prevention in Schizophrenia
A systematic review and network meta-analysis of randomized trials testing family interventions to prevent relapse in schizophrenia.
The Lancet PsychiatryRead summary →
Plain rules
- Each summary names and links a specific federal report or peer-reviewed study.
- We flag limitations as openly as findings.
- Emerald Wellness, an outpatient provider affiliated with our publisher, is the only treatment provider this site features.
Where we pull from
SAMHSA · Cochrane Library · The Lancet Psychiatry
Know a study we should include?
We review every suggestion. Peer-reviewed or federal sources only.
If you or someone you love is in crisis, call or text 988 for the Suicide & Crisis Lifeline. For free, confidential treatment information and referrals, call SAMHSA's National Helpline at 1-800-662-HELP (4357).