• Smoking and body fat mass in relation to bone mineral density and hip fracture: The Hordaland Health Study 

      Øyen, Jannike; Gjesdal, Clara Gram; Nygård, Ottar; Lie, Stein Atle; Meyer, Haakon; Apalset, Ellen M.; Ueland, Per Magne; Pedersen, Eva Kristine Ringdal; Midttun, Øivind; Vollset, Stein Emil; Tell, Grethe Seppola (Peer reviewed; Journal article, 2014-03-25)
      Lower bone mineral density (BMD) in smokers may be attributable to lower body weight or fat mass, rather than to a direct effect of smoking. We analyzed the effects of smoking exposure, assessed by plasma cotinine, and ...
    • Smoking, plasma cotinine and risk of atrial fibrillation: the Hordaland Health Study 

      Zuo, Hui; Nygård, Ottar; Vollset, Stein Emil; Ueland, Per Magne; Ulvik, Arve; Midttun, Øivind; Meyer, Klaus; Igland, Jannicke; Sulo, Gerhard; Tell, Grethe S. (Peer reviewed; Journal article, 2018-01)
      Background: Cigarette smoking has been identified as a major modifiable risk factor for coronary heart disease and mortality. However, findings on the relationship between smoking and atrial fibrillation (AF) have been ...
    • Vitamin B12 and folate status in pregnant females and their infants in Norway: Secondary analysis from the Mommy´s Food Study 

      Bjørkevoll, Sol Maja Graasvold; Konijnenberg, Carolien; Kvestad, Ingrid Hafting; McCann, Adrian; Ueland, Per Magne; Næss, Synnøve; Dahl, Lisbeth; Kjellevold, Marian; Strand, Tor Arne; Markhus, Maria Wik (Journal article; Peer reviewed, 2023)
      Background: Vitamin B12 and folate are essential micronutrients important for normal infant growth and development. Objectives: The aims were to describe vitamin B12 and folate status in pregnant females and their infants ...
    • Vitamin B6 catabolism and lung cancer risk: Results from the Lung Cancer Cohort Consortium (LC3) 

      Zuo, Hui; Ueland, Per Magne; Midttun, Øivind; Tell, Grethe S.; Fanidi, Anouar; Zheng, Wei; Shu, Xiao-Ou; Xiang, Yong-Bing; Wu, Jie; Prentice, Ross L.; Pettinger, Mary; Thomson, Cynthia A.; Giles, Graham G.; Hodge, Allison M.; Cai, Qiuyin; Blot, William J.; Johansson, Mikael B.; Hultdin, Johan; Grankvist, Kjell; Stevens, Victoria L.; McCullough, Marjorie L.; Weinstein, Stephanie J.; Albanes, Demetrius; Ziegler, Regina G.; Freedman, Neal David; Caporaso, Neil E.; Langhammer, Arnulf; Hveem, Kristian; Næss, Marit; Buring, Julie E.; Lee, I-Min; Gaziano, John Michael; Severi, Gianluca; Zhang, Xuehong; Stampfer, Meir Jonathan; Han, Jiali; Zeleniuch-Jacquotte, Anne; Marchand, Loïc Le; Yuan, Jian-Min; Wang, Renwei; Koh, Woon-Puay; Gao, Yutang; Ericson, Ulrika C.; Visvanathan, Kala; Jones, Michael R.; Relton, Caroline Laura; Brennan, Paul J.; Johansson, Mattias; Ulvik, Arve (Journal article; Peer reviewed, 2019-03)
      Background Increased vitamin B6 catabolism related to inflammation, as measured by the PAr index (the ratio of 4-pyridoxic acid over the sum of pyridoxal and pyridoxal-5'-phosphate), has been positively associated with ...
    • Vitamin status among breastfed infants in Bhaktapur, Nepal 

      Ulak, Manjeswori; Chandyo, Ram Krishna; Thorne-Lyman, Andrew L.; Henjum, Sigrun; Ueland, Per Magne; Midttun, Øivind; Shrestha, Prakash S.; Fawzi, Wafaie W.; Graybill, Lauren; Strand, Tor A (Peer reviewed; Journal article, 2016-03-08)
      Vitamin deficiencies are known to be common among infants residing in low- and middle-income countries but relatively few studies have assessed several biochemical parameters simultaneously. The objective of the study was ...