Ole A. Andreassen

No ORCID on file · 6 papers in corpus · active 2013-2026

Study types

  • article 1
  • other 1

Condition tags

  • endometriosis 2
  • irritable_bowel_syndrome 1
2026
Nature human behaviour ·doi:10.1038/s41562-026-02476-7

Anxiety is heritable and exists on a continuum, with symptoms ranging from adaptive threat response to clinical disorder. Here we performed a genome-wide association meta-analysis of generalized anxiety symptom severity in 693,869 individua…

article 2025
·doi:10.64898/2025.12.01.25341208

ABSTRACT Background Premenstrual disorders (PMDs) are characterized by affective and physical symptoms before menses, likely due to abnormal sensitivity to normal hormone fluctuations. While sizable heritability has been indicated in twin s…

other 2025
medRxiv : the preprint server for health sciences ·doi:10.1101/2025.07.10.25331321

We performed a genome-wide association meta-analysis of generalised anxiety symptom severity in 696,563 individuals of European ancestry from 14 cohorts. We identified 82 independent genome-wide significant variants within 76 loci, 41 of wh…

2024
Nature genetics ·doi:10.1038/s41588-024-01839-y

Bleeding in early pregnancy and postpartum hemorrhage (PPH) bear substantial risks, with the former closely associated with pregnancy loss and the latter being the foremost cause of maternal death, underscoring the severe impact on maternal…

2023
Nature genetics ·doi:10.1038/s41588-023-01343-9

The timing of parturition is crucial for neonatal survival and infant health. Yet, its genetic basis remains largely unresolved. We present a maternal genome-wide meta-analysis of gestational duration (n = 195,555), identifying 22 associate…

2013
Nature genetics ·doi:10.1038/ng.2711

Most psychiatric disorders are moderately to highly heritable. The degree to which genetic variation is unique to individual disorders or shared across disorders is unclear. To examine shared genetic etiology, we use genome-wide genotype da…