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  2. Epidemiology of schizophrenia - Wikipedia

    en.wikipedia.org/wiki/Epidemiology_of_schizophrenia

    Schizophrenia affects around 0.3–0.7% of the general population at some point in life (i.e. lifetime prevalence), [1] or 21 million people worldwide as of 2020 (about one of every 285). [2] By using precise methods in its diagnosis and a large, representative population, schizophrenia seems to occur with relative consistency over time during ...

  3. Prevalence of mental disorders - Wikipedia

    en.wikipedia.org/wiki/Prevalence_of_mental_disorders

    The World Health Organization has published worldwide incidence and prevalence estimates of individual disorders. Obsessive-compulsive disorder is two to three times as common in Latin America, Africa, and Europe as in Asia and Oceania. [7] Schizophrenia appears to be most common in Japan, Oceania, and Southeastern Europe and least common in ...

  4. Schizophrenia - Wikipedia

    en.wikipedia.org/wiki/Schizophrenia

    [10] [18] Many people with schizophrenia have other mental disorders, especially mood, anxiety, and substance use disorders, as well as obsessive–compulsive disorder (OCD). [10] About 0.3% to 0.7% of people are diagnosed with schizophrenia during their lifetime. [19]

  5. Psychosis - Wikipedia

    en.wikipedia.org/wiki/Psychosis

    [30] [61] Caffeine may worsen symptoms in those with schizophrenia and cause psychosis at very high doses in people without the condition. [ 62 ] [ 63 ] Cannabis and other illicit recreational drugs are often associated with psychosis in adolescents and cannabis use before 15 years old may increase the risk of psychosis in adulthood.

  6. Dissociative identity disorder - Wikipedia

    en.wikipedia.org/wiki/Dissociative_identity_disorder

    Around half of people with DID have fewer than 10 identities and most have fewer than 100; although as many as 4,500 have been reported by Richard Kluft in 1988. [ 9 ] (p 503) The average number of identities has increased over the past few decades, from two or three to now an average of approximately 16.

  7. Mental illness in media - Wikipedia

    en.wikipedia.org/wiki/Mental_illness_in_media

    Despite the media's common depictions of mentally ill characters being violent or engaging in criminal activities, it is much less common in the real world than the media makes it seem. Of the 40+ million people in the U.S. who are classified as experiencing mental illness, violence or criminality occurs only in 10-12% of mental illness cases. [2]

  8. Diagnosis of schizophrenia - Wikipedia

    en.wikipedia.org/wiki/Diagnosis_of_schizophrenia

    The result means that, of these, 21 will not be identified as having schizophrenia by use of FRS (43% of 48). Then, of the 52 people really without schizophrenia, 10 may be incorrectly diagnosed with schizophrenia by the FRS. Diagnosis of schizophrenia from other types of psychosis Sensitivity 58.0 (50.3, 65.3) Specificity 74.7 (85.2, 82.3)

  9. List of countries by population (United Nations) - Wikipedia

    en.wikipedia.org/wiki/List_of_countries_by...

    Statistical subregions as defined by the United Nations Statistics Division [1]. This is the list of countries and other inhabited territories of the world by total population, based on estimates published by the United Nations in the 2024 revision of World Population Prospects.