Khat use and occurrence of psychotic symptoms in the general male population in Southwestern Ethiopia: evidence for sensitization by traumatic experiences.

Journal: World psychiatry : official journal of the World Psychiatric Association (WPA)

Publication Year: 

Authors & Co-authors:  Adorjan Kristina K Odenwald Michael M Widmann Marina M Tesfaye Markos M Tessema Fasil F Toennes Stefan S Suleman Sultan S Papiol Sergi S Soboka Matiwos M Mekonnen Zeleke Z

Genotype-phenotype feasibility studies on khat abuse, traumatic experiences and psychosis in Ethiopia.

Journal: Psychiatric genetics

Publication Year: 2020

Authors & Co-authors:  Adorjan Kristina K Mekonnen Zeleke Z Tessema Fasil F Ayana Mio M Degenhardt Franziska F Hoffmann Per P Fricker Nadine N Widmann Marina M Riedke Heike H Toennes Stefan W SW

Khat Use Patterns, Associated Features, and Psychological Problems in a Khat-Treatment-Seeking Student Sample of Jimma University, Southwestern Ethiopia.

Journal: Frontiers in public health

Publication Year: 2021

Authors & Co-authors:  Hassen Mekdem Tesfamichael MT Soboka Matiwos M Widmann Marina M Keller Lucas L Zeller Anja C AC Büchele Natascha N Barnewitz Eva E Yitayih Yimenu Y Schiller Sabine S Senger Jael J

Khat Use, PTSD and Psychotic Symptoms among Somali Refugees in Nairobi - A Pilot Study.

Journal: Frontiers in public health

Publication Year: 2014

Authors & Co-authors:  Widmann Warsame Mikulica von Beust Isse Ndetei al'Absi Odenwald

Comorbid psychopathology and everyday functioning in a brief intervention study to reduce khat use among Somalis living in Kenya: description of baseline multimorbidity, its effects of intervention and its moderation effects on substance use.

Journal: Social psychiatry and psychiatric epidemiology

Publication Year: 2018

Authors & Co-authors:  Widmann Apondi Musau Warsame Isse Mutiso Veltrup Ndetei Odenwald

Reducing Khat use among Somalis living in Kenya: a controlled pilot study on the modified ASSIST-linked brief intervention delivered in the community.

Journal: BMC public health

Publication Year: 2022

Authors & Co-authors:  Widmann Apondi Musau Warsame Isse Mutiso Veltrup Schalinski Ndetei Odenwald