Personal profile
Research Interests
Research on human development and aging combining methods from epidemiology, genetics, medicine, and demography. Christensen has been heading a long series of studies on twins, the oldest-old and longevity-enriched families in order to shed light on the importance of genes and environment in aging and longevity.
Current external positions
Consultant, Odense University Hospital
2010 → …
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Collaborations and top research areas from the last five years
Research output
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Expanding the Danish Twin Registry into its Third Century: Secular Trends in Twin Births and Survival
Christensen, K., Aagaard Larsen, L., Almind Pedersen, D., von Bornemann Hjelmborg, J., Ohm Kyvik, K. & Nygaard, M., 18. Feb 2026, (E-pub ahead of print) In: Behavior Genetics.Research output: Contribution to journal › Journal article › Research › peer-review
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Leisure activity engagement and depressive symptoms: Meta-analysis of 11 studies of middle-aged and older twins aged 32-99
Nygaard, M., Mosing, M. A., Finkel, D. G., Franz, C. E., Kremen, W. S., Martin, N. G., Plassman, B. L., Reynolds, C. A., Sachdev, P. S., Thalamuthu, A., Walters, E. E., Christensen, K., Pedersen, N. L., Gatz, M., McGue, M. & IGEMS consortium, Jan 2026, In: The journals of gerontology. Series A, Biological sciences and medical sciences. 81, 1, glaf253.Research output: Contribution to journal › Journal article › Research › peer-review
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The widowhood effect across diverse partnerships: Mortality risk after partner loss in same-sex and mixed-sex unions
Knoblauch, E., Möllborn, S., Christensen, K. & Oksuzyan, A., Mar 2026, In: Social Science and Medicine. 393, 119053.Research output: Contribution to journal › Journal article › Research › peer-review
Open Access -
Ageing populations: new challenges in longevity
Callaway, J., Strozza, C., Christensen, K., Doblhammer, G., Rau, R. & Søgaard, J., 30. Dec 2025, In: BMC Public Health. 25, 1, 13 p., 4395.Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile -
Cohort profile and representativeness of participants in the Danish monozygotic twin study on migraine
Olofsson, I. A., Olesen, J., Christensen, K., Hoffmann, E. R. & Hansen, T. F., Nov 2025, In: European Journal of Epidemiology. 40, 11, p. 1381-1389Research output: Contribution to journal › Journal article › Research › peer-review
Open AccessFile
Activities
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Assessing lifestyle and environmental exposures
Christensen, K. (Lecturer)
10. Feb 2026Activity: Talks and presentations › Conference presentations
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UK-Denmark Bilateral international meeting 2026 on “The Use of Population and Health Data” arranged by the Royal Danish Academy of Sciences and Letters and the Royal Society
Christensen, K. (Chairman)
10. Feb 2026 → 11. Feb 2026Activity: Attending an event › Conference organisation or participation
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Opportunities and challenges in an aging society - how can aging research help?
Christensen, K. (Lecturer)
13. Nov 2025Activity: Talks and presentations › Conference presentations
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Age-integrated Housing and Neighbourhoods-symposium: panel of approaches
Christensen, K. (Panel member)
22. Oct 2025Activity: Talks and presentations › Conference presentations
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Hvor længe kan vi leve? Presentation of new scientific knowledge
Christensen, K. (Participant)
11. Sept 2025Activity: Other activities › Other
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LLFS: Long Life Family Study
Christensen, K. (Project manager), Hagelskær, A. (Coordinator), Rasmussen, K. M. (Project participant), Christensen, G. B. (Project participant), Dalgård, C. (Project participant), Hvidberg, L. (Project participant), Mortensen, J. (Project participant), Tan, Q. (Project participant), Knudsen, S. (Project participant), Nygaard, M. (Project participant), Sørensen, M. (Project participant), Larsen, L. A. (Project participant), Skytthe, S. K. (Project participant), Keys, M. T. (Project participant), Galvin, A. (Project participant) & Skouboe, C. (Project participant)
01/01/2006 → 01/04/2025
Project: Research
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SURGICAL OTOLOGY and VESTIBULOGY: Cholesteatoma in children – Occurrence and risk factors
Djurhuus, B. (PhD student), Skytte, A. (Co-supervisor), Faber, C. (Co-supervisor) & Christensen, K. (Project participant)
01/05/2013 → 25/05/2016
Project: PhD Project
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Establishing a twin cohort in Guinea-Bissau
Bjerregaard-Andersen, M. (Project participant), Sodemann, M. (Project participant), Aaby, P. (Project participant), Benn, C. S. (Project participant) & Christensen, K. (Project participant)
01/09/2009 → …
Project: Research
Press/Media
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Hvor længe lever du? Svaret kan ligge i dine gener
20/02/2026
1 Media contribution
Press/Media: Press / Media
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Nu bliver der vendt op og ned på, hvad vi troede om lang levetid
18/02/2026
1 Media contribution
Press/Media: Press / Media
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Generne fra din mor og far betyder mere for din livslængde, end man tidligere har troet
30/01/2026
1 Media contribution
Press/Media: Press / Media
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How long you live may depend much more on your genes than scientists thought
29/01/2026
1 Media contribution
Press/Media: Press / Media
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Nyt opsigtsvækkende fund: Generne fra din mor og far betyder mere for din livslængde, end man tidligere har troet
29/01/2026
1 Media contribution
Press/Media: Press / Media
Prizes
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The 44th annual Dobzhansky Award for outstanding lifetime contributions to the field of behavior genetics
Christensen, K. (Recipient), 2022
Prize: Prizes, scholarships, distinctions
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Recognized as an Expertscape World Expert in Longevity (placed in the top 0.1% of scholars writing about Longevity over the past 10 years by Expertscape);
Christensen, K. (Recipient), 2020
Prize: Prizes, scholarships, distinctions
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The Sohlberg Nordic Prize in Gerontology
Christensen, K. (Recipient), 22. Jun 2016
Prize: Prizes, scholarships, distinctions
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Fondation IPSEN Longevity prize
Christensen, K. (Recipient), 2016
Prize: Prizes, scholarships, distinctions
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Hæderspris som anderkendelse af banebrydende klinisk forskning vedrørende genetiske dispositioner til sygdomme: tildelt af "Overlæge Th.E. Hess Thaysen og hustrus Fond"
Christensen, K. (Recipient), 12. Jun 2015
Prize: Prizes, scholarships, distinctions