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N. D. Willis
Newcastle University
PopulationCancer researchColorectal cancerDiabetes mellitusMedicine
34Publications
5H-index
85Citations
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Publications 35
Newest
#1F. Malcomson (Newcastle University)H-Index: 1
Last. D. M. BradburnH-Index: 13
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#1Fiona C. MalcomsonH-Index: 3
#2N. D. WillisH-Index: 5
Last. John C. MathersH-Index: 65
view all 9 authors...
2 CitationsSource
#1Amanda J. Lloyd (Aberystwyth University)H-Index: 14
#2N. D. WillisH-Index: 5
Last. John Draper (Aberystwyth University)H-Index: 30
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#1Amanda J. Lloyd (Aberystwyth University)H-Index: 14
#2N. D. Willis (Newcastle University)H-Index: 5
Last. John Draper (Aberystwyth University)H-Index: 30
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Introduction Dietary exposure monitoring within populations is reliant on self-reported measures such as Food Frequency Questionnaires and diet diaries. These methods often contain inaccurate information due to participant misreporting, non-compliance and bias. Urinary metabolites derived from individual foods could provide additional objective indicators of dietary exposure. For biomarker approaches to have utility it is essential that they cover a wide-range of commonly consumed foods and the ...
1 CitationsSource
#1Ammar W. Ashor (Newcastle University)H-Index: 14
#2Rebecca Brown (Newcastle University)H-Index: 3
Last. John C. Mathers (Newcastle University)H-Index: 65
view all 6 authors...
Abstract Vitamin C is an essential nutrient with important antioxidant properties. Higher vitamin C intake appears to be associated with positive effects on cardiovascular risk factors in cohort studies, whereas large randomized controlled clinical trials did not confirm the benefits of supplemental vitamin C on cardiovascular disease (CVD) outcomes. In this overview of systematic reviews and meta-analyses, an “umbrella review,” we investigated the effects of vitamin C supplementation on biomark...
3 CitationsSource
#1Lewis Steell (Glas.: University of Glasgow)H-Index: 5
Last. Carlos Celis-Morales (Glas.: University of Glasgow)H-Index: 21
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Background: There is limited evidence on how active commuting is associated with health benefits in developing countries. The aim of this study therefore was to investigate the associations between active commuting and markers of adiposity and cardiometabolic risk in the Chilean adult population. Methods: In total, 5157 participants from the Chilean National Health Survey 2009–10 were included in this cross-sectional study. Active commuting was measured using the Global Physical Activity Questio...
3 CitationsSource
#1Ximena Díaz-Martínez (University of the Bío Bío)H-Index: 2
#2Lewis Steell (Glas.: University of Glasgow)H-Index: 5
Last. Carlos Celis-Morales (Glas.: University of Glasgow)H-Index: 21
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Background: Sitting behaviours have increased markedly during the last two decades in Chile. However, their associations with health outcomes such as diabetes have not been reported. Therefore, the aim of this study was to investigate the independent association of self-reported sitting time with diabetes-related markers and diabetes prevalence in Chile. Methods: This cross-sectional study included participants (aged ≥18 years) from the Chilean National Health Survey 2009–10 (n = 4457). Fasting ...
4 CitationsSource
#1Carlos Cristi-Montero (UCV: Pontifical Catholic University of Valparaíso)H-Index: 8
#2Lewis Steell (Glas.: University of Glasgow)H-Index: 5
Last. Carlos Celis-Morales (Glas.: University of Glasgow)H-Index: 21
view all 15 authors...
Background: To investigate the associations between combined categories of moderate-to-vigorous physical activity (MVPA) and sedentary behaviour (SB) with markers of adiposity and cardiovascular risk in adults. Methods: Overall, 5040 participants (mean age 46.4 years and 59.3% women) from the cross-sectional Chilean National Health Survey 2009–2010 were included in this study. MVPA and SB were measured using the Global Physical Activity questionnaire. Four categories were computed using MVPA- an...
2 CitationsSource
#2N. D. WillisH-Index: 5
Last. John C. MathersH-Index: 65
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Source
#1Ammar W. Ashor (UA: University of Alabama)H-Index: 14
#2Anke-Dorothee Werner (Newcastle University)H-Index: 2
Last. Mario Siervo (Newcastle University)H-Index: 34
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Effects of vitamin C supplementation on glycaemic control: a systematic review and meta-analysis of randomised controlled trials
15 CitationsSource
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