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Fletta eftir höfundi "Kristjansson, Alfgeir"
Atriði 1-10 af 10
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(Elsevier BV, 2017-03)Early-life risk factors, such as family disruption, maltreatment, and poverty, can negatively impact children's scholastic abilities; however, most previous studies have relied on cross-sectional designs and retrospective measurement. This study ... -
(SAGE Publications, 2020-01)Adolescent substance use-the consumption of alcohol, tobacco, and other harmful drugs-remains a persistent global problem and has presented ongoing challenges for public health authorities and society. In response to the high rates of adolescent substance ...
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(BioMed Central, 2015-04-30)Electronic cigarette (EC) use is currently subject to a debate concerning safety, regulation need, and probable contribution to smoking cessation. An important gap in this debate is the lack of distinction between minors and adults. This is problematic ...
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(Springer Science and Business Media LLC, 2020-08-14)Background The Icelandic Prevention Model (IPM) is a collaborative upstream model that was designed to influence risk and protective factors related to substance use within the community, school, peer and family contexts. By engaging whole communities, ...
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(Elsevier, 2020-12)This study aimed to examine in a longitudinal cohort design whether social media use among adolescents is related to symptoms of social anxiety, depressed mood, and physical symptoms of anxiety over time. As part of the LIFECOURSE study of risk and ...
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(Oxford University Press (OUP), 2017-05-28)Research on the impact of maternal smoking during pregnancy (MSDP) on scholastic achievement in the offspring has shown conflicting findings. The objective of this study was to assess the impact of MSDP on scholastic achievement in a birth cohort of ...
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(SAGE Publications, 2020-02-20)El uso de sustancias por los adolescentes (i.e. el consumo de alcohol, tabaco, y otras drogas), persiste como un problema global, y se mantiene como un desafio para nuestras sociedades y autoridades de salud publica. Como respuesta a las altas tasas ...
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(Springer Nature, 2017-10-14)The literature on sexual minority adolescents and young adults has highlighted a poor mental status among those groups compared to their heterosexual peers. Sexual minorities are also more likely to experience stress factors such as bullying and physical ...
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(Public Library of Science (PLoS), 2018-10-12)Background The Central Appalachian region of the United States is in the midst of a hepatitis C virus epidemic driven by injection of opioids, particularly heroin, with contaminated syringes. In response to this epidemic, several needle exchange ...
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(Oxford University Press (OUP), 2016-05-06)Stress and strain among adolescents have been investigated and discussed largely within three separate disciplines: mental health, where the focus has been on the negative effects of stress on emotional health; criminology, where the emphasis has been ...
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