Reposted by Fartein Ask TorvikAbdel Abdellaoui @dr-appie.bsky.social · 14/09/2026Partners resembled each other in psychiatric disorders among 787,658 Danish couples. The part of the resemblance that overlapped with socioeconomic status grew over time. What partner resemblance means therefore depends on when it was measured. Preprint: www.medrxiv.org/content/10.6... 0123
Reposted by Fartein Ask TorvikAbdel Abdellaoui @dr-appie.bsky.social · 05/09/2026Thanks @lottelambrecht.bsky.social for the interview in the Belgian @standaard.be. We discuss the complex relationship between DNA, behavior, and society, racist pseudoscience from people like Nathan Cofnas & Emil Kirkegaard, and polygenic embryo selection. English: drive.google.com/file/d/1jSpH... 14213
Reposted by Fartein Ask TorvikTed Schwaba @tedmond.bsky.social · 02/09/2026Our big Big Five GWAS, out today! Personality Genomics is extremely hot in 2026. 25519
Reposted by Fartein Ask TorvikMichel Nivard @michelnivard.bsky.social · 02/09/2026🚨& 🧵 Our new Nature paper is out! Across 46 cohorts and up to 1.14M people per Big Five trait, we do GWAS and ask how robust, generalizable and consequential the genetic signals underlying personality really are. www.nature.com/articles/s41...nature.com 614268
Reposted by Fartein Ask TorvikLudvig Daae Bjørndal @ludvigdb.bsky.social · 23/06/2026Family history has been recognised as a risk factor for psychiatric disorders since the late 18th century. In this new preprint, we leverage family history of psych and neurodev diagnoses to estimate family-genetic risk scores (PA-FGRSs) in the Norwegian population🧵 doi.org/10.31234/osf... 1104
Fartein Ask Torvik @torvik.bsky.social · 04/06/2026Grandmothers pay the price: Grandmothers work less, have lower incomes, and experience respiratory infections more often. But they have fewer mental health problems compared with people of the same age who have not yet become grandparents. www.fhi.no/en/news/2026...fhi.noGrandmothers pay the priceGrandmothers work less, have lower incomes, and experience respiratory infections more often. But they have fewer mental health problems compared with people of the same age who have not yet become gr... 020
Fartein Ask Torvik @torvik.bsky.social · 29/05/2026New paper out in PNAS! We show that becoming a grandparent substantially reduces employment and earnings, especially for women. At the same time, grandparents go more to the doctor for respiratory infections, but less for mental health conditions. www.pnas.org/doi/10.1073/...pnas.orgThe cost of caring: Gendered health and labor market effects of grandparenthood | PNASWhile the effects of the transition to parenthood are well researched, less is known about how the transition to grandparenthood affects health and... 1297
Reposted by Fartein Ask TorvikEivind Ystrom @eivindy.bsky.social · 04/02/2026Article alert!🚨 1/11 Parents matter - and we can quantify part of that influence genetically. Our new JCPP paper on multivariate indirect maternal genetic effects across internalizing and externalizing symptoms. doi.org/10.1111/jcpp... #jcpp @uio.no @unioslo-svfak.bsky.social @unioslo-uv.bsky.socialdoi.org<em>Journal of Child Psychology and Psychiatry</em> | ACAMH Pediatric Journal | Wiley Online LibraryBackground From a functionalist perspective, parenting behaviors have adaptive functions and are partly expressions of genetic variation. Maternal genes that have effects on children are often refer... 2218
Reposted by Fartein Ask TorvikMichel Nivard @michelnivard.bsky.social · 20/12/2025I drafted a letter to the editor, please help me out by DMing, commenting, emailing feedback if you are an expert on colliderbias, id obviosuly ad you as a author, Ideally we submit within 24-48 hrs, draft: zenodo.org/records/1800... (click download if the pdf doesnt preview on zenodo)zenodo.orgNegative Associations Between Early and Adult Performance Arise from Colider Selection BiasGüllich et al. argue that among elite performers there is a negative associationbetween early and adult performance, a pattern they link to distinct developmentalcausal mechanisms for early, and adult... 96922
Reposted by Fartein Ask TorvikMichel Nivard @michelnivard.bsky.social · 20/12/2025This smells distinctly like collider bias and/or selection bias and/or regression to the mean... You simply can't select teen prodigies, and world class athletes rom databases, and go run regressions without serious consideration of the selection process! 2334869
Reposted by Fartein Ask TorvikAndrew Grotzinger @andrewgrotzinger.bsky.social · 10/12/20251/4 Thrilled to be sharing new work published today in Nature describing the third wave of results from the PGC Cross-Disorder Group. This reflects a massive group effort to examine shared and unique genetic signal across >1 million cases for 14 psychiatric disorders. www.nature.com/articles/s41...nature.comMapping the genetic landscape across 14 psychiatric disorders - NatureGenomic analyses applied to 14 childhood- and adult-onset psychiatric disorders identifies five underlying genomic factors that explain the majority of the genetic variance of the individual disorders... 212351
Fartein Ask Torvik @torvik.bsky.social · 05/12/2025Who wants to join us in Oslo to study how health influences educational underperformance? We are hiring PhDs postdocs candidates for our funded project. We will follow children from birth to emerging adulthood, using behavioural genetic methods and large datasets 945000.webcruiter.no/Main/Recruit...945000.webcruiter.noTwo positions as either PhD or postdoctoral fellow on health determinants of educationDo you want to research how health influences school performance and leads to intergenerational inequality? We have two vacant 3-year positions as a PhD fellow or postdoctoral research fellow in the p... 01410
Reposted by Fartein Ask TorvikMaria L. Andersen @mlandersen.com · 20/11/2025Key insights (2/2) • 10 years later, employed grandmothers are 12% less likely to work full-time, compared to a 2% reduction for grandfathers. Women also see larger income drops. • The gendered patterns in infections + employment suggest women still are more involved in informal childcare provision. 141
Reposted by Fartein Ask TorvikMaria L. Andersen @mlandersen.com · 20/11/2025Key insights (1/2) • Respiratory infections jump in the first years of grandparenthood: +56% for women, +31% for men • Grandparents are slightly less likely to see a doctor for mental disorders (−4.5%) & cardiovascular issues (−3.3%) • Grandmothers have fewer musculoskeletal-related visits (−3.8%) 131
Reposted by Fartein Ask TorvikMaria L. Andersen @mlandersen.com · 20/11/2025New preprint📈📉 What happens to health and work when people become grandparents? Using Norwegian register data on all individuals born 1950-1960, we use event-study models comparing grandparents to not-yet grandparents to track changes in health and labour supply. 🔗 www.ssrn.com/abstract=571... 1128
Reposted by Fartein Ask TorvikHannah Shelley, MLIS (Metadata, Lattes & Impostor Syndrome) @hannahshelley.site · 13/08/2025Since search is dead, how soon do you think Google Scholar is headed for the Google Graveyard? I'm betting it's soon, and academia is NOT preparedhannahshelley.neocities.orgGoogle Scholar Is DoomedAcademia built entire careers on a free Google service with zero guarantees. What could go wrong? 54960409
Reposted by Fartein Ask TorvikHans Fredrik Sunde @hfsunde.bsky.social · 04/08/2025Here is a free link to the paper if you don't have access:: onlinelibrary.wiley.com/share/author... I also wrote a more detailed thread when I posted the preprint last year. Check it out here if you are interested: bsky.app/profile/hfsu... 112
Reposted by Fartein Ask TorvikHans Fredrik Sunde @hfsunde.bsky.social · 04/08/2025Accompanying the paper is an interactive web page with figures and tables showing the prevalence of psychological codes in the ICPC-2 by age, sex, and parental income quartile. Check it out here: hfsu.shinyapps.io/prevalence_b... 132
Reposted by Fartein Ask TorvikHans Fredrik Sunde @hfsunde.bsky.social · 04/08/2025Our new paper is out today! 🎉 In it, we use administrative register data to document how psychiatric disorders are strongly linked to parental income, from childhood far into adulthood. Furthermore, we attempt to separate causation and selection using kinship-based models. doi.org/10.1111/jcpp... 14116
Reposted by Fartein Ask TorvikHans Fredrik Sunde @hfsunde.bsky.social · 28/06/2025Our new study is just out in Psychological Science! We study cognitive ability at age 18 and mental health 20 years later in 270k Norwegian men. We include different mental disorders, compare education by ability, and run sibling-fixed effects. Check it out here: doi.org/10.1177/0956... 0208
Reposted by Fartein Ask TorvikMagnus Nordmo @magnusnordmo.bsky.social · 28/06/20253/7 🎓 Educational attainment also independently predicted better mental health. But the highest risk was for men who were low in both cognition and education. This group faced the highest probability of adult psychiatric diagnoses. 131
Reposted by Fartein Ask TorvikMagnus Nordmo @magnusnordmo.bsky.social · 28/06/2025🧵1/7 New study: How do adolescent cognitive ability and education predict adult mental disorders? 🧠📚➜🧑⚕️ Using Norwegian register data (N = 272,351 men) of GP diagnoses and military assessed cognitive abilities. 👇 3249
Reposted by Fartein Ask TorvikHans Fredrik Sunde @hfsunde.bsky.social · 11/06/2025Last week, our new paper on indirect assortative mating was published.🍾 Let’s take a closer look at what this means, why it matters, and what we found (🧵/32): www.nature.com/articles/s41... 25021
Reposted by Fartein Ask TorvikEivind Ystrom @eivindy.bsky.social · 10/06/20251/13 New preprint out! We developed methods to test a key assumption in family-based genetic studies: that siblings don’t genetically influence each other’s traits. Spoiler: mostly they don’t, but there’s a twist with ADHD ratings at age 3 👶 osf.io/preprints/ps...t.cohttps://osf.io/preprints/psyarxiv/b4c76_v1 22316
Reposted by Fartein Ask TorvikHans Fredrik Sunde @hfsunde.bsky.social · 06/06/2025I will write a detailed thread next week. If something is confusing until then, I highly recommend the supplementary notes, where I go through the logic more slowly and in greater depth. 021
Reposted by Fartein Ask TorvikHans Fredrik Sunde @hfsunde.bsky.social · 06/06/2025Results imply that partners are strongly assorting (r=.68) on education-associated trait(s) with large shared-environmental effects (i.e. Social Homogamy). Accounting for this in intergenerational models reveals previously hidden or underestimated environmental effects. 141
Reposted by Fartein Ask TorvikHans Fredrik Sunde @hfsunde.bsky.social · 06/06/2025Our paper on indirect assortative mating is now out in @natcomms.nature.com! In it, we provide refined definitions of terms used to explain partner similarity, develop statistical models, and find evidence of surprisingly high social homogamy for education. Link: doi.org/10.1038/s414... 1328
Reposted by Fartein Ask TorvikJosi Bernardo @josefina-bernardo.bsky.social · 26/05/2025Very grateful that I got to present at the ESSGN past Friday. In the study I presented, we looked at intergenerational transmission of education in a sample of the Norwegian population register. We used a Children-of-Twins model to look at GPA at age 16 and educational attainment in the parents. 1215
Reposted by Fartein Ask TorvikPerline Demange @perlinedemange.bsky.social · 16/04/2025New preprint! We find no evidence that parental mental health influences children's academic achievement when comparing families in the Norwegian MoBa study. osf.io/preprints/ps... Quick thread 👇 15620
Reposted by Fartein Ask TorvikDr Elsje van Bergen @drelsje.bsky.social · 13/04/2025🚨 Big question, big paper! Why does educational inequality run in families? The parent-child education link (r = .31) is often seen as purely environmental. From 569k kids, we decomposed it: 🧬 68% genetic 🏡 12% parental environment 👴 20% extended-family environment 👉 doi.org/10.31234/osf... 🧵 35925
Reposted by Fartein Ask TorvikIngrid Skovdahl @ingridskovdahl.bsky.social · 01/04/2025Vi har et skrikende behov for kunnskap for å møte vår tids utfordringer, med fallende skoleprestasjoner og økt fravær. Derfor er det avgjørende med et nasjonalt individdataregister fra skoler og barnehager, mener Camilla Stoltenberg, @martinflato.bsky.social, @torvik.bsky.social og Karin Monstad. 102
Fartein Ask Torvik @torvik.bsky.social · 01/04/2025Fallende skoleprestasjoner og økt fravær avdekker et skrikende behov for kunnskap for å møte vår tids utfordringer. Til det trenger vi registre fra skoler og barnehager. www.altinget.no/lovebakken/a...altinget.noVi har et skrikende behov for kunnskap om barn - AltingetFallende skoleprestasjoner og økt fravær avdekker et skrikende behov for kunnskap for å møte vår tids utfordringer. Til det trenger vi registre fra skoler og barnehager, skriver Martin Flatø, Fartein ... 042
Fartein Ask Torvik @torvik.bsky.social · 10/02/2025I dag får bare 0,6 % av barn utsatt skolestart i Norge. Det er alt for få, og det kan ha alvorlige konsekvenser for umodne barn www.nrk.no/ytring/fleks...nrk.noFleksibel skolestartDet er på høy tid at barnas behov settes foran systemets krav. 051
Reposted by Fartein Ask TorvikKristin @kthftw.bsky.social · 26/01/2025Hvorfor er det tilsynelatende umulig for folk å forstå at dersom statens råd skal ha legitimitet så må de være basert på forskning og fakta og ikke bare være noe som mest mulig er på linje med følelsene til ressurssterke bekymrede foreldre? Og at man kan gjøre ting uten at staten sier det?nrk.noNasjonale skjermråd – nå!Foreldre trenger tydelige råd om barn og skjermbruk, ikke mumlete anbefalinger som ingen oppfatter. 4474
Reposted by Fartein Ask TorvikAndrew Grotzinger @andrewgrotzinger.bsky.social · 06/12/2024You've heard of DNA, but what about GNA? Very excited about this preprint with @jgthorp.bsky.social and others that introduces Genomic Network Analysis (GNA), an open-source multivariate tool for performing network analysis using GWAS summary statistics as input. 1/2 www.medrxiv.org/content/10.1...medrxiv.orgGenomic network analysis characterizes genetic architecture and identifies trait-specific biologyPervasive genetic overlap across human complex traits necessitates developing multivariate methods that can parse pleiotropic and trait-specific genetic signals. Here, we introduce Genomic Network Ana... 42910
Fartein Ask Torvik @torvik.bsky.social · 03/12/2024(1/10) Check out our new paper in Nature Communications! “Non-random mating patterns within and across education and mental and somatic health”. In the paper, we study partner similarities before they (were likely to have) met. www.nature.com/articles/s41467-024-54966-9nature.comNon-random mating patterns within and across education and mental and somatic health - Nature CommunicationsBy analyzing 187,926 Norwegian first-time parents, researchers found that partners are more similar in mental than physical health, with mental health similarity increasing over time. Educational simi... 13912
Reposted by Fartein Ask TorvikJosi Bernardo @josefina-bernardo.bsky.social · 21/11/2024I am happy to report that I have commenced my research stay at the Norwegian Institute for Public Health in Oslo! I re-united with my supervisor dr. Elsje van Bergen on Tuesday. Together with @torvik.bsky.social and @hfsunde.bsky.social we will study intergenerational transmission of education. 1102
Fartein Ask Torvik @torvik.bsky.social · 21/11/2024How do parents matter for their children's heath? In our new paper, we find that parents’ education and income strongly predict early adult mortality. However, once we account for children's own school performance, social background is no longer important. www.nature.com/articles/s41...nature.comSchool performance and the social gradient in young adult death in Norway - Nature Human BehaviourThis study, using population-wide data from Norway, found that school performance was a stronger predictor of young adult death than parental education or earnings and largely explained the socioecono... 0134
Fartein Ask Torvik @torvik.bsky.social · 20/11/2024🚨 New study alert! 🚨 We find that socioeconomic background—parents' income and education—strongly predicts early adult mortality. 184
Reposted by Fartein Ask TorvikMaria L. Andersen @mlandersen.com · 14/11/2024New preprint 📈📉 🧠👶🏻 We explored the link between parenthood and mental health in over 2M Norwegians using primary health care records. We found that parents generally experienced fewer mental disorders, even after accounting for factors like education and marital status. 🔗 doi.org/10.1101/2024... 8347
Reposted by Fartein Ask TorvikHans Fredrik Sunde @hfsunde.bsky.social · 13/11/2024Hello all Oslo-people: Next Wednesday (20th of Nov), my colleagues and I will be at Kulturhuset and present research findings about social differences and mental health. The event is open to all (but will be in Norwegian): www.fhi.no/om/kurs-og-k...fhi.noSosial ulikhet, psykisk helse og genetikkBarn av lavt utdannede foreldre gjør det dårligere på skolen, og ender ofte opp med lavere utdanning, lavere inntekt, og høyere arbeidsledighet enn andre. Hvorfor er det slik? 033
Fartein Ask Torvik @torvik.bsky.social · 11/11/2024Psykisk helse hos barn varierer sterkt etter foreldrenes inntekt og utdanning. Hvorfor er det sånn? I fire år har vi forsket på sosial ulikhet, psykisk helse og genetikk. Kom på Kulturhuset onsdag 20. november kl. 9, så får du høre hva vi har funnet ut! www.fhi.no/om/kurs-og-k...fhi.noSosial ulikhet, psykisk helse og genetikkBarn av lavt utdannede foreldre gjør det dårligere på skolen, og ender ofte opp med lavere utdanning, lavere inntekt, og høyere arbeidsledighet enn andre. Hvorfor er det slik? 094
Reposted by Fartein Ask TorvikHans Fredrik Sunde @hfsunde.bsky.social · 24/10/2024We have a new preprint!📰Here, we describe the association between parental income and psychiatric disorders from childhood and into adulthood, and use children of twins and siblings to differentiate social selection from social causation (1/n)🧵 Link: doi.org/10.1101/2024... 162
Reposted by Fartein Ask TorvikHans Fredrik Sunde @hfsunde.bsky.social · 24/10/2024This paper has been years in the making, and I'm happy to finally share it. Thanks to all co-authors who helped along the way (e.g., @torvik.bsky.social). For more details, see the preprint: doi.org/10.1101/2024...doi.orgParental income and psychiatric disorders from age 10 to 40: a genetically informative population studyBackground: Lower parental income is associated with more psychiatric disorders among offspring, but it is unclear if this association reflects effects of parental income (social causation) or shared ... 011
Fartein Ask Torvik @torvik.bsky.social · 17/09/2024Are you interested in behaviour genetics and education? We are recruiting a PhD candidate in the GenEd project! "Why do educational difficulties run in families? Genetically sensitive observational and intervention research on home learning environment" www.finn.no/job/fulltime...finn.noResearch Fellow within the fields of behavioural genetics, education and psychology with relevance | FINN.noJob descriptionThe Department of Special Needs Education (ISP) at the University of Oslo, Norway, invites applicants for a 3 year full-time position as PhD 053