• Association between birthweight and later body mass index: an individual-based pooled analysis of 27 twin cohorts participating in the CODATwins project 

      Jelenkovic, Aline; Yokoyama, Yoshie; Sund, Reijo; Pietiläinen, Kirsi H.; Hur, Yoon-Mi; Willemsen, Gonneke; Bartels, Meike; van Beijsterveldt, Toos C. E. M.; Ooki, Syuichi; Saudino, Kimberly J.; Stazi, Maria A.; Fagnani, Corrado; D'Ippolito, Cristina; Nelson, Tracy L.; Whitfield, Keith E.; Knafo-Noam, Ariel; Mankuta, David; Abramson, Lior; Heikkila, Kauko; Cutler, Tessa L.; Hopper, John L.; Wardle, Jane; Llewellyn, Clare H.; Fisher, Abigail; Corley, Robin P.; Huibregtse, Brooke M.; Derom, Catherine A.; Vlietinck, Robert F.; Loos, Ruth J. F.; Bjerregaard-Andersen, Morten; Beck-Nielsen, Henning; Sodemann, Morten; Tarnoki, Adam D.; Tarnoki, David L.; Burt, S. Alexandra; Klump, Kelly L.; Ordonana, Juan R.; Sánchez-Romera, Juan F.; Colodro-Conde, Lucia; Dubois, Lise; Boivin, Michel; Brendgen, Mara; Dionne, Ginette; Vitaro, Frank; Harris, Jennifer Ruth; Brandt, Ingunn; Nilsen, Thomas Sevenius; Craig, Jeffrey M.; Saffery, Richard; Rasmussen, Finn; Tynelius, Per; Bayasgalan, Gombojav; Narandalai, Danshiitsoodol; Haworth, Claire M.A.; Plomin, Robert; Ji, Fuling; Ning, Feng; Pang, Zengchang; Rebato, Esther; Krueger, Robert F.; McGue, Matt; Pahlen, Shandell; Boomsma, Dorret I.; Sørensen, Thorkild I.A.; Kaprio, Jaakko; Silventoinen, Karri (Peer reviewed; Journal article, 2017)
      Background: There is evidence that birthweight is positively associated with body mass index (BMI) in later life, but it remains unclear whether this is explained by genetic factors or the intrauterine environment. We ...
    • Association of current and former smoking with body mass index: A study of smoking discordant twin pairs from 21 twin cohorts 

      Piirtola, Maarit; Jelenkovic, Aline; Latvala, Antti; Harris, Jennifer Ruth; Brandt, Ingunn; Nilsen, Thomas Sevenius; Silventoinen, Karri (Peer reviewed; Journal article, 2018)
    • Associations between birth size and later height from infancy through adulthood: An individual based pooled analysis of 28 twin cohorts participating in the CODATwins project 

      Jelenkovic, Aline; Yokoyama, Yoshie; Sund, Reijo; Hur, Yoon-Mi; Harris, Jennifer Ruth; Brandt, Ingunn; Nilsen, Thomas Sevenius; Silventoinen, Karri (Peer reviewed; Journal article, 2018)
    • Associations between epigenetic age acceleration and infertility 

      Lee, Yunsung; Bohlin, Jon; Page, Christian Magnus; Nustad, Haakon E.; Harris, Jennifer Ruth; Magnus, Per Minor; Magnus, Per; Jugessur, Astanand; Magnus, Maria Christine; Håberg, Siri Eldevik; Hanevik, Hans Ivar (Peer reviewed; Journal article, 2022)
      Study question: Is the use of ART, a proxy for infertility, associated with epigenetic age acceleration? Summary answer: The epigenetic age acceleration measured by Dunedin Pace of Aging methylation (DunedinPoAm) differed ...
    • Associations of early-life pet ownership with asthma and allergic sensitization: A meta-analysis of more than 77,000 children from the EU Child Cohort Network 

      Pinot de Moira, Angela; Strandberg-Larsen, Katrine; Bishop, Tom; Pedersen, Marie; Avraam, Demetris; Cadman, Tim; Calas, Lucinda; Casas, Maribel; de Lauzon Guillain, Blandine; Elhakeem, Ahmed; Esplugues, Ana; Estarlich, Marisa; Foong, Rachel E.; Haakma, Sido; Harris, Jennifer Ruth; Huang, Rae-Chi; Inskip, Hazel; Lertxundi, Aitana; Mensink-Bout, Sara M.; Nader, Johanna Lucia Thorbjørnsrud; Pizzi, Costanza; Popovic, Maja; Salika, Theodosia; Sunyer, Jordi; Van Meel, Evelien R.; Swertz, Morris A.; Jaddoe, Vincent W. V.; Burton, Paul; Duijts, Liesbeth; Nybo Andersen, Anne-Marie (Peer reviewed; Journal article, 2022)
    • Cancer in twin pairs discordant for smoking: The Nordic Twin Study of Cancer 

      Korhonen, Tellervo; Hjelmborg, Jacob; Harris, Jennifer Ruth; Clemmensen, Signe; Adami, Hans Olov; Kaprio, Jaakko (Peer reviewed; Journal article, 2022)
    • Cancer Incidence and Mortality in 260,000 Nordic Twins With 30,000 Prospective Cancers 

      Skytthe, Axel; Harris, Jennifer Ruth; Czene, Kamila; Mucci, Lorelei; Adami, Hans-Olov; Christensen, Kaare; Hjelmborg, Jacob; Holm, Niels V.; Nilsen, Thomas Sevenius; Kaprio, Jaakko; Pukkala, Eero (Peer reviewed; Journal article, 2019)
    • Education and income show heterogeneous relationships to lifespan brain and cognitive differences across European and US cohorts 

      Walhovd, Kristine Beate; Fjell, Anders Martin; Wang, Yunpeng; Amlien, Inge; Mowinckel, Athanasia Monika; Lindenberger, Ulman; Düzel, Sandra; Bartrés-Faz, David; Ebmeier, Klaus P; Drevon, Christian A; Baaré, William F.C.; Ghisletta, Paolo; Johansen, Louise Baruël; Kievit, Rogier A.; Henson, Richard N.; Madsen, Kathrine Skak; Nyberg, Lars; Harris, Jennifer Ruth; Solé-Padullés, Cristina; Pudas, Sara; Sørensen, Øystein; Westerhausen, Rene; Zsoldos, Eniko; Nawijn, Laura; Lyngstad, Torkild Hovde; Suri, Sana; Penninx, Brenda; Røgeberg, Ole Jørgen; Brandmaier, Andreas M. (Peer reviewed; Journal article, 2021)
    • Effect of Maternal Prepregnancy/Early‐Pregnancy Body Mass Index and Pregnancy Smoking and Alcohol on Congenital Heart Diseases: A Parental Negative Control Study 

      Taylor, Kurt; Elhakeem, Ahmed; Nader, Johanna Lucia Thorbjørnsrud; Yang, Tiffany C.; Isaevska, Elena; Richiardi, Lorenzo; Vrijkotte, Tanja; Pinot de Moira, Angela; Murray, Deirdre; Finn, Daragh; Mason, Dan; Wright, John; Oddie, Sam; Roeleveld, Nel; Harris, Jennifer Ruth; Andersen, Anne Marie Nybo; Caputo, Massimo; Lawlor, Deborah A. (Peer reviewed; Journal article, 2021)
    • Epigenome-wide association study of leukocyte telomere length 

      Lee, Yunsung; Sun, Dianjianyi; Ori, Anil P.S.; Lu, Ake T.; Seeboth, Anne; Harris, Sarah E.; Deary, Ian J.; Marioni, Riccardo E.; Sørensen, Mette; Mengel-From, Jonas; Hjelmborg, Jacob; Christensen, Kaare; Wilson, James G.; Levy, Daniel; Reiner, Alex P.; Chen, Wei; Li, Shengxu; Harris, Jennifer Ruth; Magnus, Per; Aviv, Abraham; Jugessur, Astanand; Horvath, Steve (Peer reviewed; Journal article, 2019)
    • EWAS of post-COVID-19 patients shows methylation differences in the immune-response associated gene, IFI44L, three months after COVID-19 infection 

      Lee, Yunsung; Riskedal, Espen; Kalleberg, Karl Trygve; Istre, Mette Stausland; Lind, Andreas; Lund-Johansen, Fridtjof; Reiakvam, Olaug Marie; Søraas, Arne Vasli; Harris, Jennifer Ruth; Dahl, John Arne; Lund Hadley, Cathrine; Jugessur, Astanand (Peer reviewed; Journal article, 2022)
    • Exposure to natural environments during pregnancy and birth outcomes in 11 european birth cohorts 

      Torres Toda, Maria; Avraam, Demetris; James Cadman, Timothy; Fossati, Serena; de Castro, Montserrat; Dedele, Audrius; Donovan, Geoffrey; Elhakeem, Ahmed; Estarlich, Marisa; Fernandes, Amanda; Gonçalves, Romy; Grazuleviciene, Regina; Harris, Jennifer Ruth; Harskamp-van Ginkel, Margreet W; Heude, Barbara; Ibarluzea, Jesús; Iñiguez, Carmen; WV Jaddoe, Vincent; Lawlor, Deborah; Lertxundi, Aitana; Lepeule, Johanna; McEachan, Rosemary; Moirano, Giovenale; Nader, Johanna Lucia Thorbjørnsrud; Nybo Andersen, Anne-Marie; Pedersen, Marie; Pizzi, Costanza; Roumeliotaki, Theano; Santos, Susana; Sunyer, Jordi; Yang, Tiffany; Vafeiadi, Marina; GM Vrijkotte, Tanja; Nieuwenhuijsen, Mark; Vrijheid, Martine; Foraster, Maria; Dadvand, Payam (Peer reviewed; Journal article, 2022)
    • Familial Risk and Heritability of Hematologic Malignancies in the Nordic Twin Study of Cancer 

      Clemmensen, Signe B.; Harris, Jennifer Ruth; Mengel-From, Jonas; Bonat, Wagner H; Frederiksen, Henrik; Kaprio, Jaakko; Hjelmborg, J. v. B. (Peer reviewed; Journal article, 2021)
    • Genetic and environmental influences on human height from infancy through adulthood at different levels of parental education 

      Jelenkovic, Aline; Sund, Reijo; Yokoyama, Yoshie; Latvala, Antti; Sugawara, Masumi; Harris, Jennifer Ruth; Tanaka, Mami; Matsumoto, Satoko; Freitas, Duarte L.; Maia, Jose Antonio; Knafo-Noam, Ariel; Mankuta, David; Abramson, Lior; Ji, Fuling; Ning, Feng; Pang, Zengchang; Rebato, Esther; Brandt, Ingunn; Nilsen, Thomas Sevenius; Saudino, Kimberly J.; Cutler, Tessa L.; Hopper, John L.; Ullemar, Vilhelmina; Almqvist, Catarina; Magnusson, Patrik K. E.; Cozen, Wendy; Hwang, Amie E.; Mack, Thomas M.; Nelson, Tracy L.; Whitfeld, Keith E.; Sung, Joohon; Kim, Jina; Lee, Jooyeon; Lee, Sooji; Llewellyn, Clare H.; Fisher, Abigail; Medda, Emanuela; Nisticò, Lorenza; Toccaceli, Virgilia; Baker, Laura A.; Tuvblad, Catherine; Corley, Robin P.; Huibregtse, Brooke M.; Derom, Catherine A.; Vlietinck, Robert F.; Loos, Ruth J. F.; Burt, S. Alexandra; Klump, Kelly L.; Silberg, Judy L.; Maes, Hermine H. (Peer reviewed; Journal article, 2020)
    • Genetic and environmental variation in educational attainment: an individual-based analysis of 28 twin cohorts 

      Silventoinen, Karri; Jelenkovic, Aline; Sund, Reijo; Latvala, Antti; Honda, Chika; Inui, Fujio; Tomizawa, Rie; Watanabe, Mikio; Sakai, Norio; Rebato, Esther; Busjahn, Andreas; Tyler, Jessica; Hopper, John L; Ordoñana, Juan R.; Sánchez-Romera, Juan F.; Colodro-Conde, Lucia; Calais-Ferreira, Lucas; Oliveira, Vinicius C.; Ferreira, Paulo H.; Medda, Emanuela; Nisticò, Lorenza; Toccaceli, Virgilia; Derom, Catherine A.; Vlietinck, Robert F.; Loos, Ruth J. F.; Siribaddana, Sisira H.; Hotopf, Matthew; Sumathipala, Athula; Rijsdijk, Fruhling; Duncan, Glen E.; Buchwald, Dedra; Tynelius, Per; Rasmussen, Finn; Tan, Qihua; Zhang, Dongfeng; Pang, Zengchang; Magnusson, Patrik K E; Pedersen, Nancy L.; Aslan, Anna K. Dahl; Hwang, Amie E.; Mack, Thomas M.; Krueger, Robert F.; McGue, Matt; Pahlen, Shandell; Brandt, Ingunn; Nilsen, Thomas Sevenius; Harris, Jennifer Ruth; Martin, Nicholas G.; Medland, Sarah E.; Montgomery, Grant W. (Peer reviewed; Journal article, 2020)
    • Genetic association study of childhood aggression across raters, instruments, and age 

      Ip, Hill F.; van der Laan, Camiel M.; Krapohl, Eva M. L.; Brikell, Isabell; Sánchez-Mora, Cristina; Nolte, Ilja M.; Pourcain, Beate St; Bolhuis, Koen; Palviainen, Teemu; Zafarmand, Hadi; Colodro-Conde, Lucía; Gordon, Scott; Zayats, Tetyana; Aliev, Fazil; Jiang, Chang; Wang, Carol A.; Saunders, Gretchen; Karhunen, Ville; Hammerschlag, Anke R.; Adkins, Daniel E.; Border, Richard; Peterson, Roseann E.; Prinz, Joseph A.; Thiering, Elisabeth; Seppälä, Iikka; Vilor-Tejedor, Natàlia; Ahluwalia, Tarunveer S.; Day, Felix R.; Hottenga, Jouke-Jan; Allegrini, Andrea G.; Rimfeld, Kaili; Chen, Qi; Yi, Lu; Martin, Joanna; Soler Artigas, Marìa; Rovira, Paula; Bosch, Rosa; Español, Gemma; Ramos-Quiroga, Josep Antonio; Neumann, Alexander; Haavik, Jan; Harris, Jennifer Ruth; Helgeland, Øyvind; Johansson, Stefan; Knudsen, Gun Peggy Strømstad; Njølstad, Pål Rasmus; Havdahl, Alexandra; Magnus, Per Minor; Reichborn-Kjennerud, Ted; Boomsma, Dorret I. (Peer reviewed; Journal article, 2021)
    • Gestational age at birth and body size from infancy through adolescence: An individual participant data meta-analysis on 253,810 singletons in 16 birth cohort studies 

      Vinther, Johan L.; Cadman, Tim; Avraam, Demetris; Ekstrøm, Claus T.; Sørensen, Thorkild I. A.; Elhakeem, Ahmed; Santos, Ana C.; Pinot de Moira, Angela; Heude, Barbara; Iñiguez, Carmen; Pizzi, Costanza; Simons, Elinor; Voerman, Ellis; Corpeleijn, Eva; Zariouh, Faryal; Santorelli, Gilian; Inskip, Hazel M.; Barros, Henrique; Carson, Jennie; Harris, Jennifer Ruth; Nader, Johanna L.; Ronkainen, Justiina; Strandberg-Larsen, Katrine; Santa-Marina, Loreto; Calas, Lucinda; Cederkvist, Luise; Popovic, Maja; Charles, Marie-Aline; Welten, Marieke; Vrijheid, Martine; Azad, Meghan; Subbarao, Padmaja; Burton, Paul; Mandhane, Puishkumar J.; Huang, Rae-Chi; Wilson, Rebecca C.; Haakma, Sido; Fernández-Barrés, Sílvia; Turvey, Stuart; Santos, Susana; Tough, Suzanne C.; Sebert, Sylvain; Moraes, Theo J.; Salika, Theodosia; Jaddoe, Vincent W. V.; Lawlor, Deborah A.; Andersen, Anne-Marie Nybo (Peer reviewed; Journal article, 2023)
      Background Preterm birth is the leading cause of perinatal morbidity and mortality and is associated with adverse developmental and long-term health outcomes, including several cardiometabolic risk factors and outcomes. ...
    • How are perceptions of social strain and low support related to Irritable Bowel Syndrome?-A Norwegian twin study 

      Kutschke, Julia; Harris, Jennifer Ruth; Bengtson, May-Bente (Peer reviewed; Journal article, 2020)
    • How are perceptions of social strain and low support related to Irritable Bowel Syndrome?—A Norwegian twin study 

      Isaeva, Julia; Harris, Jennifer Ruth; Bengtson, May-Bente (Peer reviewed; Journal article, 2020)
      Background: Social stress is related to symptom burden of irritable bowel syndrome (IBS). This study explores the associations between IBS and social strain or low support in Close relationships, including spouse, friends, ...
    • Marital Histories and Associations With Later-Life Dementia and Mild Cognitive Impairment Risk in the HUNT4 70+ Study in Norway 

      Skirbekk, Vegard Fykse; Bowen, Catherine E; Håberg, Asta; Jugessur, Astanand; Engdahl, Bo Lars; Bratsberg, Bernt Magne; Zotcheva, Ekaterina; Selbæk, Geir; Kohler, Hans-Peter; Weiss, Jordan; Harris, Jennifer Ruth; Tom, Sarah; Krokstad, Steinar; Stern, Yaakov; Strand, Bjørn Heine (Peer reviewed; Journal article, 2022)
      Objectives: Earlier studies suggest that being married in later life protects against dementia, and that being single in old age increases the risk of dementia. In this study, we examine midlife marital status trajectories ...