• Assessing causal links between age at menarche and adolescent mental health: a Mendelian randomisation study 

      Askelund, Adrian Dahl; Wootton, Robyn E.; Torvik, Fartein A.; Lawn, Rebecca B.; Ask, Helga; Corfield, Elizabeth C.; Magnus, Maria C.; Reichborn-Kjennerud, Ted; Magnus, Per M.; Andreassen, Ole A.; Stoltenberg, Camilla; Davey Smith, George; Davies, Neil Martin; Havdahl, Alexandra; Hannigan, Laurie John (Journal article; Peer reviewed, 2024)
      Background: The timing of puberty may have an important impact on adolescent mental health. In particular, earlier age at menarche has been associated with elevated rates of depression in adolescents. Previous research ...
    • 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 ...