Blar i NTNU Open på forfatter "Ask, Helga"
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Alcohol consumption and risk of dementia up to 27 years later in a large, population-based sample: the HUNT study, Norway
Langballe, Ellen Melbye; Ask, Helga; Holmen, Jostein; Stordal, Eystein; Saltvedt, Ingvild; Selbæk, Geir; Fikseaunet, Arvid; Bergh, Sverre; Nafstad, Per; Tambs, Kristian (Journal article; Peer reviewed, 2015)The relationship between alcohol consumption and dementia risk is unclear. This investigation estimates the association between alcohol consumption reported in a population-based study in the mid-1980s and the risk for ... -
Body mass index and childhood symptoms of depression, anxiety, and attention-deficit hyperactivity disorder: A within-family Mendelian randomization study
Hughes, Amanda M.; Sanderson, Eleanor; Morris, Tim; Ayorech, Ziada; Tesli, Martin Steen; Ask, Helga; Reichborn-Kjennerud, Ted; Andreassen, Ole; Magnus, Per Minor; Helgeland, Øyvind; Johansson, Stefan; Njølstad, Pål Rasmus; Davey Smith, George; Havdahl, Alexandra Karoline Saasen; Howe, Laura D.; Davies, Neil Martin (Peer reviewed; Journal article, 2022)Background: Higher BMI in childhood is associated with emotional and behavioural problems, but these associations may not be causal. Results of previous genetic studies imply causal effects but may reflect influence of ... -
Cohort Profile: COVIDMENT: COVID-19 cohorts on mental health across six nations
Unnarsdóttir, Anna Bára; Lovik, Anikó; Fawns-Ritchie, Chloe; Ask, Helga; Kõiv, Kadri; Hagen, Kristen; Didriksen, Maria; Christoffersen, Lea Arregui Nordahl; Garðarsson, Alexander Berg; McIntosh, Andrew; Kähler, Anna K.; Campbell, Archie; Hauksdóttir, Arna; Erikstrup, Christian; Mikkelsen, Dorte Helenius; Altschul, Drew; Thordardottir, Edda Bjork; Frans, Emma Maria; Kvale, Gerd; Tómasson, Gunnar; Kariis, Hanna Maria; Jónsdóttir, Harpa Lind; Rúnarsdóttir, Harpa; Magnúsdóttir, Ingibjörg; Eid, Jarle; Jakobsdóttir, Jóhanna; Nielsen, Kaspar René; Kaspersen, Kathrine Agergård; Milani, Lili; Trogstad, Lill-Iren Schou; Yi, Lu; Bruun, Mie Topholm; Sullivan, Patrick F.; Magnus, Per Minor; Shen, Qing; Nesvåg, Ragnar; Brandlistuen, Ragnhild Eek; Mägi, Reedik; Ostrowski, Sisse Rye; Løkhammer, Solveig; Solem, Stian; Reichborn-Kjennerud, Ted; Hansen, Thomas Folkmann; Werge, Thomas; Aspelund, Thor; Porteous, David J.; Fang, Fang; Lehto, Kelli; Andreassen, Ole; Pedersen, Ole Birger Vesterager; Hellard, Stephanie Francoise Claire Le; Valdimarsdóttir, Unnur Anna (Journal article; Peer reviewed, 2021)Key features • COVIDMENT [www.covidment.is] is a NordForsk-funded research collaboration across six nations, with the overarching aim to significantly advance current knowledge on mental morbidity trajectories associated ... -
Educational attainment, health outcomes and mortality: a within-sibship Mendelian randomization study
Howe, Laurence J; Rasheed, Humaira; Jones, Paul Remy; Boomsma, Dorret I; Evans, David M; Giannelis, Alexandros; Hayward, Caroline; Hopper, John L; Hughes, Amanda; Lahtinen, Hannu; Li, Shuai; Lind, Penelope A; Martin, Nicholas G; Martikainen, Pekka; Medland, Sarah E; Morris, Tim T; Nivard, Michel G; Pingault, Jean-Baptiste; Silventoinen, Karri; Smith, Jennifer A; Willoughby, Emily A; Wilson, James F; Ahlskog, Rafael; Andreassen, Ole; Ask, Helga; Campbell, Archie; Cheesman, Rosa Catherine Gillespie; Cho, Yoonsu; Christensen, Kaare; Corfield, Elizabeth Claire; Dahm, Christina C.; Havdahl, Alexandra; Hill, William D; Kerr, Shona M; Nygaard, Marianne Rodriguez; Palviainen, Teemu; Pedersen, Nancy L; Plomin, Robert; Southey, Melissa C; Stoltenberg, Camilla; Åsvold, Bjørn Olav; Næss, Øyvind Erik; Davey Smith, George; Kaprio, Jaakko; Brumpton, Ben Michael; Davies, Neil Martin (Peer reviewed; Journal article, 2023)Background Previous Mendelian randomization (MR) studies using population samples (population MR) have provided evidence for beneficial effects of educational attainment on health outcomes in adulthood. However, estimates ... -
Genetic nurture versus genetic transmission of risk for ADHD traits in the Norwegian Mother, Father and Child Cohort Study
Pingault, Jean-Baptiste; Barkhuizen, Wikus; Wang, Biyao; Hannigan, Laurie John; Eilertsen, Espen Moen; Corfield, Elizabeth Claire; Andreassen, Ole; Ask, Helga; Tesli, Martin Steen; Askeland, Ragna Bugge; Davey Smith, George; Stoltenberg, Camilla; Davies, Neil M.; Reichborn-Kjennerud, Ted; Ystrøm, Eivind; Havdahl, Alexandra (Peer reviewed; Journal article, 2022)Identifying mechanisms underlying the intergenerational transmission of risk for attention-deficit/hyperactivity disorder (ADHD) traits can inform interventions and provide insights into the role of parents in shaping their ... -
Intrauterine Growth and Offspring Neurodevelopmental Traits A Mendelian Randomization Analysis of the Norwegian Mother, Father and Child Cohort Study (MoBa)
D'Urso, Shannon; Moen, Gunn-Helen Øiseth; Hwang, Liang-Dar; Hannigan, Laurie John; Corfield, Elizabeth Claire; Ask, Helga; Johannson, Stefan; Njølstad, Pål Rasmus; Beaumont, Robin N.; Freathy, Rachel M.; Evens, David M.; Havdahl, Alexandra (Journal article; Peer reviewed, 2023)Importance Conventional epidemiological analyses have suggested that lower birth weight is associated with later neurodevelopmental difficulties; however, it is unclear whether this association is causal. Objective ... -
Parental drinking, mental health and education, and extent of offspring’s healthcare utilisation for anxiety/depression: A HUNT survey and registry study
Lund, Ingunn Olea; Andersen, Njål; Handal, Marte; Ask, Helga; Skurtveit, Svetlana Ondrasova; Ystrøm, Eivind; Burdzovic, Jasmina (Journal article; Peer reviewed, 2022)Aims: Certain risk constellations of parental drinking, mental health and years of education are prospectively associated with offspring’s risk for a diagnosis of anxiety/depression, but it remains unknown how they may ... -
Parental drinking, mental health and educational level, and offspring’s subsequent prescription drugs treatment for sleep problems. A longitudinal HUNT survey and registry study
Lund, Ingunn Olea; Andersen, Njål; Ask, Helga; Burdzovic Andreas, Jasmina (Peer reviewed; Journal article, 2023)Background Parental drinking, mental health and family socioeconomic status are all associated with offspring sleep problems, but there is a paucity of research that considers the effect of risk factors, as they co-occur ... -
Within-sibship genome-wide association analyses decrease bias in estimates of direct genetic effects
Howe, Laurence J.; Nivard, Michel G.; Morris, Tim T.; Hansen, Ailin Falkmo; Rasheed, Humaira; Cho, Yoonsu; Chittoor, Geetha; Ahlskog, Rafael; Lind, Penelope A.; Palviainen, Teemu; van der Zee, Matthijs D.; Cheesman, Rosa Catherine Gillespie; Mangino, Massimo; Wang, Yunzhang; Li, Shuai; Klaric, Lucija; Ratliff, Scott M.; Bielak, Lawrence F.; Nygaard, Marianne; Giannelis, Alexandros; Willoughby, Emily A.; Reynolds, Chandra A.; Balbona, Jared V.; Andreassen, Ole; Ask, Helga; Baras, Aris; Bauer, Christopher R.; Boomsma, Dorret I.; Campbell, Archie; Campbell, Harry; Chen, Zhengming; Christofidou, Paraskevi; Corfield, Elizabeth Claire; Dahm, Christina C.; Dokuru, Deepika R.; Evans, Luke M.; de Geus, Eco J. C.; Giddaluru, Sudheer; Gordon, Scott D.; Harden, K. Paige; Hill, W. David; Hughes, Amanda; Kerr, Shona M.; Kim, Yongkang; Kweon, Hyeokmoon; Latvala, Antti; Lawlor, Deborah A.; Li, Liming; Lin, Kuang; Magnus, Per Minor; Magnusson, Patrik K. E.; Mallard, Travis T.; Martikainen, Pekka; Mills, Melinda C.; Njølstad, Pål Rasmus; Overton, John D.; Pedersen, Nancy L.; Porteous, David J.; Reid, Jeffrey; Silventoinen, Karri; Southey, Melissa C.; Stoltenberg, Camilla; Tucker-Drob, Elliot M.; Wright, Margaret J.; Kweon, Hyeokmoon; Koellinger, Philipp D.; Benjamin, Daniel J.; Turley, Patrick; Howe, Laurence J.; Nivard, Michel G.; Morris, Tim T.; Plomin, Robert; Havdahl, Alexandra; Bartels, Meike; Martin, Nicholas G.; Oskarsson, Sven; Justice, Anne E.; Millwood, Iona Y.; Hveem, Kristian; Willer, Cristen J.; Åsvold, Bjørn Olav; Kaprio, Jaakko; Medland, Sarah E.; Walters, Robin G.; Evans, David M.; Smith, George Davey; Hayward, Caroline; Brumpton, Ben; Hemani, Gibran; Davies, Neil Martin; Hewitt, John K.; Keller, Matthew C.; Stallings, Michael C.; Lee, James J.; Christensen, Kaare; Kardia, Sharon L. R.; Peyser, Patricia A.; Smith, Jennifer A.; Wilson, James F.; Hopper, John L.; Hägg, Sara; Spector, Tim D.; Pingault, Jean-Baptiste; Næss, Øyvind Erik; Davey Smith, George; Brumpton, Ben Michael (Peer reviewed; Journal article, 2022)Estimates from genome-wide association studies (GWAS) of unrelated individuals capture effects of inherited variation (direct effects), demography (population stratification, assortative mating) and relatives (indirect ...