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Genome-wide association study of vitamin D status in diverse ancestry individuals with adjustment for ambient ultraviolet B (UVB) radiation
Background & aim
25-hydroxyvitamin D (25OHD) level, the vitamin D status biomarker, is influ...
Shraim, R., van Geffen, J., McManus, R. and Zgaga, L. | Journal: Clinical Nutrition | Volume: 64 | Year: 2026 | First page: 106746 | doi: 10.1016/j.clnu.2026.106746
Publication
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UVdose: an R package for estimating ambient vitamin D?effective UVB and erythemal UV doses
Ultraviolet (UV) radiation plays a critical role in both beneficial and harmful health outcomes, ...
Shraim, R., van Geffen, J. and Zgaga, L. | Journal: Photochem Photobiol. Sci. | Volume: 26 | Year: 2026 | First page: 959 | doi: 10.1007/s43630-026-00959-0
Publication
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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
Publication
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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 supple...
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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