J
John Fayyad
Researcher at St George's Hospital
Publications - 54
Citations - 12190
John Fayyad is an academic researcher from St George's Hospital. The author has contributed to research in topics: Mental health & Anxiety. The author has an hindex of 30, co-authored 49 publications receiving 10241 citations. Previous affiliations of John Fayyad include Utrecht University & University of Balamand.
Papers
More filters
Journal ArticleDOI
Prevalence, severity, and unmet need for treatment of mental disorders in the World Health Organization World Mental Health Surveys.
Koen Demyttenaere,Ronny Bruffaerts,Jose Posada-Villa,Isabelle Gasquet,Kovess,J P Lépine,Matthias C. Angermeyer,Sebastian Bernert,de Girolamo G,Pierluigi Morosini,G Polidori,Takehiko Kikkawa,Norito Kawakami,Y. Ono,Tadashi Takeshima,Hidenori Uda,Elie G. Karam,John Fayyad,A. N. Karam,Zeina Mneimneh,María Elena Medina-Mora,Guilherme Borges,Carmen Lara,de Graaf R,Johan Ormel,Oye Gureje,Shen Y,Y. Huang,Zhang M,Jordi Alonso,Josep Maria Haro,Gemma Vilagut,Evelyn J. Bromet,Semyon Gluzman,C. P. M. Webb,Ronald C. Kessler,Kathleen R. Merikangas,James C. Anthony,Von Korff Mr,Philip S. Wang,Traolach S. Brugha,Sergio Aguilar-Gaxiola,Sing Lee,Steven G. Heeringa,B. E. Pennell,Alan M. Zaslavsky,T. B. Üstün,Somnath Chatterji +47 more
TL;DR: Reallocation of treatment resources could substantially decrease the problem of unmet need for treatment of mental disorders among serious cases and careful consideration needs to be given to the value of treating some mild cases, especially those at risk for progressing to more serious disorders.
Journal ArticleDOI
Childhood adversities and adult psychopathology in the WHO World Mental Health Surveys
Ronald C. Kessler,Katie A. McLaughlin,Jennifer Greif Green,Michael J. Gruber,Nancy A. Sampson,Alan M. Zaslavsky,Sergio Aguilar-Gaxiola,Ali Al-Hamzawi,Jordi Alonso,Matthias C. Angermeyer,Corina Benjet,Evelyn J. Bromet,Somnath Chatterji,Giovanni de Girolamo,Koen Demyttenaere,John Fayyad,Silvia Florescu,Gilad Gal,Oye Gureje,Josep Maria Haro,Chiyi Hu,Elie G. Karam,Norito Kawakami,Sing Lee,Jean-Pierre Lépine,Johan Ormel,Jose Posada-Villa,Rajesh Sagar,Adley Tsang,Bedirhan Üstün,Svetlozar Vassilev,Maria Carmen Viana,Daniel R. Williams +32 more
TL;DR: In this paper, the authors examined joint associations of 12 childhood adversities with first onset of 20 DSM-IV disorders in World Mental Health Surveys in 21 countries and found strong associations with all classes of disorders at all life-course stages.
Journal ArticleDOI
Cross-national prevalence and correlates of adult attention-deficit hyperactivity disorder
John Fayyad,R. de Graaf,Ronald C. Kessler,Jordi Alonso,Matthias C. Angermeyer,Koen Demyttenaere,G. de Girolamo,Josep Maria Haro,Elie G. Karam,Carmen Lara,J P Lépine,Johan Ormel,Jose Posada-Villa,Alan M. Zaslavsky,Robert Jin +14 more
TL;DR: Estimates of ADHD prevalence and correlates in the World Health Organization World Mental Health Survey Initiative should be considered more seriously in future epidemiological and clinical studies than is currently the case.
Journal ArticleDOI
European consensus statement on diagnosis and treatment of adult ADHD: The European Network Adult ADHD.
Sandra J J Kooij,Susanne Bejerot,Andrew D. Blackwell,Hervé Caci,Miquel Casas-Brugue,Pieter Jan Carpentier,Dan Edvinsson,John Fayyad,Karin Foeken,Michael Fitzgerald,Veronique Gaillac,Ylva Ginsberg,Chantal Henry,Johanna Krause,Michael B. Lensing,Iris Manor,Helmut Niederhofer,Carlos Nunes-Filipe,Martin D. Ohlmeier,P. Oswald,Stefano Pallanti,Artemios Pehlivanidis,Josep Antoni Ramos-Quiroga,Maria Råstam,Doris Ryffel-Rawak,Steven Stes,Philip Asherson +26 more
TL;DR: This Consensus Statement is one of the actions taken by the European Network Adult ADHD in order to support the clinician with research evidence and clinical experience from 18 European countries in which ADHD in adults is recognised and treated.
Journal Article
Delay and failure in treatment seeking after first onset of mental disorders in the World Health Organization's World Mental Health Survey Initiative.
Philip S. Wang,Matthias C. Angermeyer,Guilherme Borges,Ronny Bruffaerts,Wai Tat Chiu,Giovanni de Girolamo,John Fayyad,Oye Gureje,Josep Maria Haro,Yueqin Huang,Ronald C. Kessler,V. Kovess,Daphna Levinson,Yoshibumi Nakane,Mark Anthony Oakley Browne,Johan Ormel,Jose Posada-Villa,Sergio Aguilar-Gaxiola,Jordi Alonso,Sing Lee,Steven G. Heeringa,Beth-Ellen Pennell,Somnath Chatterji,T. Bedirhan Üstün +23 more
TL;DR: In this article, the authors present data on patterns of failure and delay in making initial treatment contact after first onset of a mental disorder in 15 countries in the World Health Organization (WHO)'s World Mental Health Surveys.