Diet quality and telomere length in older Australian men and women.

Milte, Catherine M, Russell, Aaron P, Ball, Kylie, Crawford, David, Salmon, Jo and McNaughton, Sarah A 2016, Diet quality and telomere length in older Australian men and women., European journal of nutrition, pp. 1-10, doi: 10.1007/s00394-016-1326-6.

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Title Diet quality and telomere length in older Australian men and women.
Author(s) Milte, Catherine MORCID iD for Milte, Catherine M
Russell, Aaron PORCID iD for Russell, Aaron P
Ball, KylieORCID iD for Ball, Kylie
Crawford, DavidORCID iD for Crawford, David
Salmon, JoORCID iD for Salmon, Jo
McNaughton, Sarah AORCID iD for McNaughton, Sarah A
Journal name European journal of nutrition
Start page 1
End page 10
Total pages 10
Publisher Springer
Place of publication Berlin, Germany
Publication date 2016
ISSN 1436-6215
Keyword(s) Ageing
Diet quality
Mediterranean diet
Telomere length
Summary PURPOSE: Telomere length is a biomarker of cellular ageing, with longer telomeres associated with longevity and reduced risk of chronic disease in older age. Consumption of a healthy diet may contribute to longevity via its impact on cellular ageing, but studies on diet and telomere length to date have been limited and their findings equivocal. The aim of this study was to examine associations between three indices of diet quality and telomere length in older men and women. METHODS: Adults aged 57-68 years participating in the Wellbeing, Eating and Exercise for a Long Life (WELL) study in Victoria, Australia (n = 679), completed a postal survey including an 111-item food frequency questionnaire in 2012. Diet quality was assessed via three indices: the Dietary Guideline Index, the Recommended Food Score, and the Mediterranean Diet Score. Relative telomere length was measured by quantitative polymerase chain reaction. Associations between diet quality and telomere length were assessed using linear regression adjusted for covariates. RESULTS: After adjustment for age, sex, education, smoking, physical activity, and body mass index (BMI), there were no significant associations between diet quality and relative telomere length. CONCLUSIONS: In a sample of older adults residing in Victoria, Australia, men and women aged 57-68 years with better-quality diets did not have longer telomeres. Further investigation in longitudinal studies will determine whether diet can influence telomere length over time in an ageing population.
Language eng
DOI 10.1007/s00394-016-1326-6
Field of Research 111199 Nutrition and Dietetics not elsewhere classified
Socio Economic Objective 920411 Nutrition
HERDC Research category C1 Refereed article in a scholarly journal
ERA Research output type C Journal article
Copyright notice ©2016, The Authors
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