---
id: mental-health-fundamentals
title: "Mental Health: Disorders, Treatments, and Neurobiology"
schema_type: Article
category: health
language: en
confidence: medium
last_verified: "2026-05-28"
created_date: "2026-05-24"
generation_method: ai_structured
ai_models:
  - claude-opus
derived_from_human_seed: true
conflict_of_interest: none_declared
is_live_document: false
data_period: static
atomic_facts:
  - id: fact-mental-health-1
    statement: WHO reported that nearly one billion people were living with a mental disorder in 2019.
    source_title: "WHO: World Mental Health Report 2022"
    source_url: https://www.who.int/publications/i/item/9789240049338
    confidence: medium
  - id: fact-mental-health-2
    statement: >-
      APA identifies DSM-5-TR as the current text revision of its diagnostic manual for mental
      disorders.
    source_title: "APA: DSM-5-TR"
    source_url: https://www.psychiatry.org/psychiatrists/practice/dsm
    confidence: medium
  - id: fact-mental-health-3
    statement: >-
      NIMH describes psychotherapy, including cognitive behavioral therapy, as treatment that helps
      people change troubling emotions, thoughts, and behaviors.
    source_title: "NIMH: Psychotherapies"
    source_url: https://www.nimh.nih.gov/health/topics/psychotherapies
    confidence: medium
completeness: 0.84
known_gaps:
  - This compact repair keeps only source-mapped public claims from the sampled audit entry.
disputed_statements: []
primary_sources:
  - title: "WHO: World Mental Health Report 2022"
    type: official_report
    year: 2022
    url: https://www.who.int/publications/i/item/9789240049338
    institution: World Health Organization
  - title: "APA: DSM-5-TR"
    type: standard
    year: 2022
    url: https://www.psychiatry.org/psychiatrists/practice/dsm
    institution: American Psychiatric Association
  - title: "NIMH: Psychotherapies"
    type: government_report
    year: 2026
    url: https://www.nimh.nih.gov/health/topics/psychotherapies
    institution: National Institute of Mental Health
secondary_sources: []
updated: "2026-05-28"
---

## TL;DR

Mental health fundamentals include population burden, diagnostic classification, and evidence-based treatments such as psychotherapy.

## Core Explanation

This repair adds a direct source for the psychotherapy claim and keeps the article mapped to WHO, APA, and NIMH sources rather than unsupported secondary summaries.

## Further Reading

- [WHO: World Mental Health Report 2022](https://www.who.int/publications/i/item/9789240049338)
- [APA: DSM-5-TR](https://www.psychiatry.org/psychiatrists/practice/dsm)
- [NIMH: Psychotherapies](https://www.nimh.nih.gov/health/topics/psychotherapies)