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Annual ambient UVB at wavelengths that induce Vitamin D synthesis is associated with reduced oesophageal and gastric cancer risk: a nested case-control study
Vitamin D has been shown to be beneficial at reducing the risk of cancer, however studies examini...
F O'Sullivan, JHG van Geffen, M van Weele, L Zgaga | Status: published | Journal: Photochem. and Photobiol. | Volume: 94 | Year: 2018 | First page: 797 | Last page: 806 | doi: 10.1111/php.12915
Publication
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Comprehensive Analysis of Seasonal and Geographical Variation in UVB Radiation Relevant for Vitamin D Production in Europe
Dermal synthesis, following sun exposure, is the main source of vitamin D. This study characteriz...
Khanna T, Shraim R, Zarkovic M, van Weele M, van Geffen J, Zgaga L. | Journal: Nutrients | Volume: 14 | Year: 2022 | First page: 5189 | Last page: 5204 | doi: 10.3390/nu14235189
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Ambient ultraviolet-B radiation, supplements and other factors interact to impact vitamin D status differently depending on ethnicity: a cross-sectional study
Background & aims
Many determinants of vitamin D status have been well-described, yet supp...
Brennan, M.M., van Geffen, J., van Weele, M., Zgaga, L. and Shraim | Journal: Clinical Nutrition | Volume: 43 | Year: 2024 | First page: 1308 | Last page: 1317 | doi: 10.1016/j.clnu.2024.04.006
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Prevalence and determinants of profound vitamin D deficiency (25-hydroxyvitamin D <10 nmol/L) in the UK Biobank and potential implications for disease association studies
Background
25-hydroxyvitamin D (25OHD) is the principal biomarker of vitamin D status. Values ...
Shraim, R., Brennan, M.M., van Geffen, J. and Zgaga, L. | Journal: Journal of Steroid Biochemistry and Molecular Biology | Volume: 250 | Year: 2025 | First page: 106737 | doi: 10.1016/j.jsbmb.2025.106737
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Sunshine is an important determinant of vitamin D status even among high-dose supplement users: secondary analysis of a randomised controlled trial in Crohn's disease patients
Sunshine is considered to be the most important source of vitamin D. Due to an increased risk of ...
F O'Sullivan, T Raftery, M van Weele, J van Geffen, D McNamara, C O'Morain, N Mahmud, D Kelly, M Healy, M O'Sullivan, L Zgaga | Status: published | Journal: Photochem. and Photobiol. | Volume: 95 | Year: 2019 | First page: 1060 | Last page: 1067 | doi: 10.1111/php.13086
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