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Overweight and obese children have lower cortisol levels than normal weight children
Linköping University, Department of Clinical and Experimental Medicine, Division of Clinical Sciences. Linköping University, Faculty of Health Sciences.
Linköping University, Department of Clinical and Experimental Medicine, Child and Adolescent Psychiatry. Linköping University, Faculty of Health Sciences.
Linköping University, Department of Clinical and Experimental Medicine, Child and Adolescent Psychiatry. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Local Health Care Services in Central Östergötland, Department of Child and Adolescent Psychiatry in Linköping.
Linköping University, Department of Clinical and Experimental Medicine, Division of Clinical Sciences. Linköping University, Faculty of Health Sciences. Östergötlands Läns Landsting, Center of Paediatrics and Gynaecology and Obstetrics, Department of Paediatrics in Linköping.
2014 (English)In: Acta Paediatrica, ISSN 0803-5253, E-ISSN 1651-2227, Vol. 103, no 3, 295-299 p.Article in journal (Refereed) Published
Abstract [en]

AimThe stress hormone cortisol is vital to survival, and a disturbed circadian rhythm can be deleterious to health. However, little is known about cortisol levels in healthy children. The aim of this study was to examine cortisol levels in relation to body mass index (BMI), age and sex. MethodsSalivary samples were collected in early morning, late morning and evening, on four consecutive days, from 342 children aged 6-12years using Salivette((R)) tubes. Samples were analysed using a commercial enzyme immunoassay (EIA). School nurses measured the childrens height and weight, and these measurements were used to calculate their BMI. ResultsThe children displayed a circadian rhythm in cortisol secretion, with morning zeniths and evening nadirs. Average cortisol levels in early morning, late morning and evening were significantly lower in overweight and obese children than in their normal weight counterparts. Cortisol levels did not vary significantly with age or sex. ConclusionOur findings may suggest cortisol suppression in overweight and obese children. We found no evidence that sex or age influences cortisol levels. These findings highlight the need for further research on the relationship between stress and obesity in children.

Place, publisher, year, edition, pages
Wiley , 2014. Vol. 103, no 3, 295-299 p.
Keyword [en]
Body mass index; child; circadian rhythm; cortisol; obesity
National Category
Medical and Health Sciences
Identifiers
URN: urn:nbn:se:liu:diva-105742DOI: 10.1111/apa.12499ISI: 000331270000024OAI: oai:DiVA.org:liu-105742DiVA: diva2:710356
Available from: 2014-04-07 Created: 2014-04-04 Last updated: 2017-12-05

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Allansson, ElinGustafsson, Per EGustafsson, PerNelson, Nina

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Division of Clinical SciencesFaculty of Health SciencesChild and Adolescent PsychiatryDepartment of Child and Adolescent Psychiatry in LinköpingDepartment of Paediatrics in Linköping
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Acta Paediatrica
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