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  1. No Access

    Article

    Whole-grain intake in mid-life and healthy ageing in the Danish Diet, Cancer and Health cohort

    Growing elderly populations worldwide have sparked interest in factors promoting healthy aging. Diet and other lifestyle patterns are key factors for healthy ageing; however, evidence is sparse for specific di...

    Anne Kirstine Eriksen, Mia Klinten Grand, Cecilie Kyrø in European Journal of Nutrition (2024)

  2. Article

    Open Access

    Assessing household lifestyle exposures from consumer purchases, the My Purchases cohort

    Consumer purchase data (CPD) is a promising instrument to assess the impact of purchases on health, but is limited by the need for manual scanning, a lack of access to data from multiple retailers, and limited...

    Frederik T. Møller, Thor Grønborg Junker, Kathrine Kold Sørensen in Scientific Reports (2023)

  3. Article

    Open Access

    Associations between parenthood and dementia in men and women: biology or confounding?

    High parity and extremes of age at first birth have been linked with increased dementia risk in women, with exposure to pregnancy-associated physiological changes proposed as an explanation. However, confoundi...

    Saima Basit, Jan Wohlfahrt, Heather A. Boyd in BMC Neurology (2023)

  4. Article

    Open Access

    Association between preeclampsia in daughters and risk of cardiovascular disease in parents

    Preeclampsia and cardiovascular disease (CVD) might share heritable underlying mechanisms. We investigated whether preeclampsia in daughters is associated with CVD in parents. In a register-based cohort study,...

    Frederikke Lihme, Saima Basit, Lucca Katrine Sciera in European Journal of Epidemiology (2023)

  5. Article

    Open Access

    A quantitative comparison of two measures of postpartum depression

    Studies investigating the prevalence and risk factors for postpartum depression (PPD) have used different definitions. Some studies have used a high score on the Edinburgh Postnatal Depression Scale (EPDS) to ...

    Ditte-Marie Leegaard Holm, Jan Wohlfahrt, Marie-Louise Hee Rasmussen in BMC Psychiatry (2022)

  6. Article

    Open Access

    Integrating genetics with newborn metabolomics in infantile hypertrophic pyloric stenosis

    Infantile hypertrophic pyloric stenosis (IHPS) is caused by hypertrophy of the pyloric sphincter muscle.

    João Fadista, Line Skotte, Julie Courraud, Frank Geller, Sanne Gørtz in Metabolomics (2021)

  7. No Access

    Article

    Prognosis regarding shunt revision and mortality among hydrocephalus patients below the age of 2 years and the association to patient-related risk factors

    Little is known about the prognosis regarding shunt revision and mortality among hydrocephalus patients below 2 years of age. The aims of this study were to investigate (1) the cumulative risks of shunt revisi...

    Tina Nørgaard Munch, Sanne Gørtz, John Hauerberg, Jan Wohlfahrt in Acta Neurochirurgica (2020)

  8. No Access

    Article

    Synchronous bilateral breast cancer: a nationwide study on histopathology and etiology

    The aim of the present study was to describe histopathologic characteristics of synchronous bilateral breast cancer (SBBC), and by comparing SBBC to unilateral breast cancer (UBC), identify possible etiologica...

    Mathias Kvist Mejdahl, Jan Wohlfahrt, Marianne Holm in Breast Cancer Research and Treatment (2020)

  9. Article

    Open Access

    Breast cancer mortality in synchronous bilateral breast cancer patients

    Evidence suggests that patients with synchronous bilateral breast cancer (SBBC), diagnosed within 4 months, have an inferior prognosis compared to unilateral breast cancer (UBC) patients. Using data from natio...

    Mathias Kvist Mejdahl, Jan Wohlfahrt, Marianne Holm in British Journal of Cancer (2019)

  10. Article

    Open Access

    Pregnancy duration and breast cancer risk

    Full-term pregnancies reduce a woman’s long-term breast cancer risk, while abortions have been shown to have no effect. The precise minimal duration of pregnancy necessary to lower a woman’s breast cancer risk...

    Anders Husby, Jan Wohlfahrt, Nina Øyen, Mads Melbye in Nature Communications (2018)

  11. No Access

    Article

    Incidence of sialolithiasis in Denmark: a nationwide population-based register study

    Sialolithiasis is a frequent disorder affecting the salivary glands. The incidence rate (IR) has been reported to be 2.9–5.5 per 100,000 person-years, but all previous studies have been based on selected hospi...

    Stine Attrup Schrøder, Mikael Andersson in European Archives of Oto-Rhino-Laryngology (2017)

  12. Article

    Open Access

    Breast cancer in women using digoxin: tumor characteristics and relapse risk

    Digoxin use is associated with increased incidence of breast and uterus cancers. We postulated that digoxin use might affect tumor characteristics and increase relapse risk in women with breast cancer.

    Robert J Biggar, Elisabeth W Andersen, Niels Kroman in Breast Cancer Research (2013)

  13. No Access

    Article

    Reproductive patterns and non-Hodgkin lymphoma risk in Danish women and men

    Reproductive patterns have been inconsistently linked to risk of non-Hodgkin lymphoma (NHL) in women, and fathering patterns in relation to NHL risk have not been studied. The authors conducted a register-base...

    Morten Frisch, Bo V. Pedersen, Jan Wohlfahrt in European Journal of Epidemiology (2006)

  14. Article

    Open Access

    Environmental risk factors differ between rheumatoid arthritis with and without auto-antibodies against cyclic citrullinated peptides

    The aim of this study was to evaluate new and previously hypothesised non-genetic risk factors for serologic subtypes of rheumatoid arthritis (RA) defined by the presence or absence of auto-antibodies to cycli...

    Merete Pedersen, Søren Jacobsen, Mette Klarlund in Arthritis Research & Therapy (2006)

  15. No Access

    Article

    Breast cancer risk after childbirth in young women with family history (Denmark)

    Objective: The increased risk of breast cancer in women with family history of breast cancer (FHBC) might be reduced by early childbirths. However, childbirth induces a transient increase in risk in the first 5–...

    Jan Wohlfahrt, Jørgen H. Olsen, Mads Melbye in Cancer Causes & Control (2002)