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Browsing by Author "Arnarsson, Arsaell"

Browsing by Author "Arnarsson, Arsaell"

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  • Arnarsson, Arsaell; Kristofersson, Gisli; Bjarnason, Thoroddur (Wiley, 2017-07-28)
    Introduction. Over the past two decades, alcohol consumption of Icelandic adolescents has decreased dramatically. The aim of this study was to quantify the extent of this reduction and compare it with the trend in cannabis use over a 20 year period and ...
  • Arnarsson, Arsaell; Gísladóttir, Kristín Heba; Jonsson, Stefan Hrafn (Laeknabladid/The Icelandic Medical Journal, 2016-06-02)
    Inngangur: Kynferðisleg áreitni og ofbeldi gagnvart börnum og unglingum er ein alvarlegasta ógn við heilbrigði þeirra. Markmiðið var að rannsaka algengi og áhrif þess á íslenska unglinga í 10. bekk. Efniviður og aðferðir: Rannsóknin byggir á gögnum úr ...
  • Gestsdottir, Sunna; Svansdottir, Erla; Sigurðsson, Héðinn; Arnarsson, Arsaell; Ommundsen, Yngvar; Arngrímsson, Sigurbjörn Árni; Sveinsson, Thorarinn; Jóhannsson, Erlingur (Termedia Sp. z.o.o., 2018)
    background Body image dissatisfaction has been linked with a range of adverse psychosocial outcomes in both genders and has become an important public health issue. Across all ages, women have reported being more dissatisfied with their bodies ...
  • Rúnarsdóttir, Eygló; Smith, Edward; Arnarsson, Arsaell (MDPI AG, 2019-05-20)
    Background: Sexual abuse and sexual assaults against adolescents are among the most significant threats to their health and well-being. Some studies have found poverty to be a risk factor for sexual abuse. The present study investigates the effects of ...
  • Pálsdóttir, Kolbrún Þ.; Arnarsson, Arsaell (Menntavísindastofnun Háskóla Íslands, 2018-12-31)
    Íslensk ungmenni byrja að stunda kynlíf að jafnaði fyrr en flest önnur evrópsk ungmenni. Unglingar sem byrja snemma að hafa samfarir eru í aukinni hættu á að upplifa neikvæðar afleiðingar kynlífs, svo sem þvingun, smitsjúkdóma og ótímabærar þunganir. ...
  • Arnarsson, Arsaell; Bjarnason, Thoroddur (MDPI AG, 2018-07-20)
    This paper tests the hypothesis of whether being bullied in an environment where bullying is infrequent decreases adolescents’ life satisfaction. Analyses were based on the international standard questionnaire from the 2005/2006 Health Behaviour in ...
  • Hanson, Charles; Arnarsson, Arsaell; Hardarson, Thorir; Lindgård, Ann; Daneshvarnaeini, Mandana; Ellerström, Catarina; Bruun, Anita; Stenevi, Ulf (Baishideng Publishing Group Inc., 2017-08-26)
    AIM: To investigate whether human embryonic stem cells (hESCs) could be made to attach, grow and differentiate on a human Descemet's membrane (DM). Spontaneously differentiated hESCs were transferred onto a human corneal button with the endothelial ...
  • Hanson, Charles; Arnarsson, Arsaell; Harðarson, Þórir; Lindgård, Ann; Daneshvarnaeini, Mandana; Ellerström, Catarina; Bruun, Anita; Stenevi, Ulf (Baishideng Publishing Group Inc., 2017)
    AIM To investigate whether human embryonic stem cells (hESCs) could be made to attach, grow and differentiate on a human Descemet’s membrane (DM). METHODS Spontaneously differentiated hESCs were transferred onto a human corneal button with the ...
  • Sigurgeirsdóttir, Vanda; Arnarsson, Arsaell (Menntavísindasvið Háskóla Íslands, 2018-12-19)
    Einelti er algengt og alvarlegt vandamál í skólastarfi. Þó að skólayfirvöld hér á landi hafi gripið til ýmissa aðgerða til að sporna við einelti hefur árangurinn ekki verið eins góður og vonast var til. Í þessari rannsókn var skoðuð reynsla ...