Browsing Brage IMR by Author "Wik, Maria"
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Effects of cod intake in pregnancy on iodine nutrition and infant development: study protocol for Mommy’s Food - a randomized controlled trial
Wik, Maria; Kvestad, Ingrid; Midtbø, Lisa Kolden; Nerhus, Ive; Ødegaard, Elisabeth R.; Graff, Ingvild Eide; Lie, Øyvind; Dahl, Lisbeth; Hysing, Mari; Kjellevold, Marian (Journal article; Peer reviewed, 2018)Background Iodine is a key component of thyroid hormones that are critical for normal development of the brain and nervous system in utero. Recent results indicate that two thirds of pregnant women in Europe have sub-optimal ... -
Fatty acid reference intervals in red blood cells among pregnant women in Norway–Cross sectional data from the ‘Little in Norway’ cohort
Araujo, Pedro; Kjellevold, Marian; Nerhus, Ive; Dahl, Lisbeth; Aakre, Inger; Moe, Vibeke; Smith, Lars; Wik, Maria (Peer reviewed; Journal article, 2020)There is a growing interest in determining fatty acid reference intervals from pregnancy cohort, especially considering the lack of reference values for pregnant women in the literature and the generalized misconception ... -
Fatty fish intake and cognitive function: FINS-KIDS, a randomized controlled trial in preschool children
Øyen, Jannike; Kvestad, Ingrid; Midtbø, Lisa Kolden; Graff, Ingvild Eide; Hysing, Mari; Stormark, Kjell Morten; Wik, Maria; Baste, Valborg; Frøyland, Livar; Koletzko, Berthold; Demmelmair, Hans; Dahl, Lisbeth; Lie, Øyvind; Kjellevold, Marian (Journal article; Peer reviewed, 2018)Marine resources including fatty fish are important sources of n-3 long chain polyunsaturated fatty acids (n-3 LC-PUFAs), which are important for brain development. To our knowledge, this is the first randomized controlled ... -
Iodine content of six fish species, Norwegian dairy products and hen's egg
Nerhus, Ive; Wik, Maria; Nilsen, Bente Merete; Øyen, Jannike; Måge, Amund; Ødegård, Elisabeth Rasmussen; Midtbø, Lisa Kolden; Frantzen, Sylvia; Køgel, Tanja; Graff, Ingvild Eide; Lie, Øyvind; Dahl, Lisbeth; Kjellevold, Marian (Journal article; Peer reviewed, 2018)Iodine is a trace element required for the production of thyroid hormones, essential for metabolism, growth and brain development, particularly in the first trimester of pregnancy. Milk and lean fish are the main dietary ... -
Iodine deficiency in a study population of Norwegian pregnant women - results from the Little in Norway study (LiN)
Dahl, Lisbeth; Wik, Maria; Sánchez, Perla Vanessa Roldan; Moe, Vibeke; Smith, Lars; Meltzer, Helle Margrete; Kjellevold, Marian (Journal article; Peer reviewed, 2018)Iodine sufficiency is particularly important in pregnancy, where median urinary iodine concentration (UIC) in the range of 150–250 µg/L indicates adequate iodine status. The aims of this study were to determine UIC and ... -
Iodine status in Norwegian preschool children and associations with dietary iodine sources: the FINS-KIDS study
Nerhus, Ive; Odland, Mathilde; Kjellevold, Marian; Midtbø, Lisa Kolden; Wik, Maria; Graff, Ingvild Eide; Lie, Øyvind; Kvestad, Ingrid; Frøyland, Livar; Dahl, Lisbeth; Øyen, Jannike (Journal article; Peer reviewed, 2018)Iodine is an essential trace element necessary for thyroid hormone synthesis. Iodine deficiency is a continuing public health problem despite international efforts to eliminate it. Studies on iodine status in preschoolers ... -
Little in Norway: a prospective longitudinal community-based cohort from pregnancy to child age 18 months
Moe, Vibeke; Fredriksen, Eivor; Kjellevold, Marian; Dahl, Lisbeth Jane; Wik, Maria; Stormark, Kjell Morten; von Soest, Tilmann; Olafsen, Kåre Sten; Vannebo, Unni Tranås; Smith, Lars (Journal article; Peer reviewed, 2019)The Little in Norway (LiN) project is a cross-disciplinary prospective longitudinal study starting in pregnancy. It was set up to investigate maternal and paternal mental health functioning in the transition to parenthood, ... -
Maternal DHA status during pregnancy has a positive impact on infant problem solving: A Norwegian prospective observation study
Braarud, Hanne Cecilie; Wik, Maria; Skotheim, Siv; Stormark, Kjell Morten; Frøyland, Livar; Graff, Ingvild Eide; Kjellevold, Marian (Journal article; Peer reviewed, 2018)Docosahexaenoic acid (DHA, 22:6, n-3) is a long-chain polyunsaturated fatty acid necessary for normal brain growth and cognitive development. Seafood and dietary supplements are the primary dietary sources of DHA. This ... -
Maternal Iodine Status is Associated with Offspring Language Skills in Infancy and Toddlerhood
Wik, Maria; Dahl, Lisbeth; Moe, Vibeke; Abel, Marianne Hope; Brantsæter, Anne Lise; Øyen, Jannike; Meltzer, Helle Margrete; Stormark, Kjell Morten; Graff, Ingvild Eide; Smith, Lars; Kjellevold, Marian (Journal article; Peer reviewed, 2018)Inadequate iodine status affects the synthesis of the thyroid hormones and may impair brain development in fetal life. The aim of this study was to explore the association between maternal iodine status in pregnancy measured ... -
Sufficient iodine status among Norwegian toddlers 18 months of age – cross-sectional data from the Little in Norway study
Aakre, Inger; Wik, Maria; Kjellevold, Marian; Moe, Vibeke; Smith, Lars; Dahl, Lisbeth (Peer reviewed; Journal article, 2018) -
The effects of fatty fish intake on adolescents' nutritional status and associations with attention performance: Results from the FINS-TEENS randomized controlled trial
Handeland, Katina Dingtorp; Skotheim, Siv; Baste, Valborg; Graff, Ingvild Eide; Frøyland, Livar; Lie, Øyvind; Kjellevold, Marian; Wik, Maria; Stormark, Kjell Morten; Øyen, Jannike; Dahl, Lisbeth (Journal article; Peer reviewed, 2018)Adolescence involves changes in dietary habits that may induce imbalances in the intake of different nutrients. Fish is an important dietary source of omega-3 (n-3) long-chain polyunsaturated fatty acids (LCPUFAs), vitamin ... -
Validation and reproducibility of a new iodine specific food frequency questionnaire for assessing iodine intake in Norwegian pregnant women
Næss, Synnøve; Aakre, Inger; Kjellevold, Marian; Dahl, Lisbeth Jane; Nerhus, Ive; Midtbø, Lisa Kolden; Wik, Maria (Journal article; Peer reviewed, 2019)Iodized salt is not mandatory in Norway, and the permitted level of iodine in table salt is low (5 μg/g). Thus, milk and dairy products, fish and eggs are the main dietary sources of iodine in Norway. Mild-to-moderate ...