The present work is dedicated to the study of vitamin D content among residents of Tyumen city and Tyumen region. The study analyzed the correlation between the level of vitamin D in the blood and the gender, age, place of residence and season of seeking medical care. This study was carried out on the basis of multidisciplinary clinic of Tyumen State Medical University (MDC of Tyumen SMU). During the research, 231 medical records were analyzed. It was estimated that 51% of patients (118 people) had insufficient blood content of vitamin D. This condition requires early and adequate treatment, since otherwise the risk of clinical manifestations of hypovitaminosis D increases. Considering the important biochemical role of this vitamin in the body (it is proved that vitamin D is not only involved in the regulation of phosphorus-calcium metabolism; almost all cells have receptors for it) and the increased risk of the consequences in case of hypovitaminosis, the conducted study is a pressing issue of our time.
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J Pineal Res
January 2025
Department of Integrated Biology and Physiology, University of Minnesota, Minneapolis, Minnesota, USA.
Light environment in the Arctic differs widely with the seasons. Studies of relationships between objectively measured circadian phase and amplitude of light exposure and melatonin in community-dwelling Arctic residents are lacking. This investigation combines cross-sectional (n = 24-62) and longitudinal (n = 13-27) data from week-long actigraphy (with light sensor), 24-h salivary melatonin profiles, and proxies of metabolic health.
View Article and Find Full Text PDFGeorgian Med News
September 2024
Currently, much is known about the causative agent of Covid-19. The situation with the spread of a new coronavirus infection is under control. Preventive measures against this disease have been developed and are being actively implemented.
View Article and Find Full Text PDFBrain Sci
May 2024
Department of Neurosurgery, Russian People's Friendship University, 117198 Moscow, Russia.
Children (Basel)
February 2024
Laboratory for Genomics, Proteomics, and Metabolomics, Research Institute of Biomedicine and Biomedical Technologies, Tyumen State Medical University, 625023 Tyumen, Russia.
Purpose: The circumpolar habitat stands as one of the most vulnerable environments for human activity and health. The primary study objective was to compare sleep-related factors, light exposure, social cues, and potential confounding variables among schoolchildren residing in the European Arctic region from two settlements situated below and above the Polar Circle using validated self-reported questionnaires.
Materials And Methods: We recruited 94 children aged 13-15 years (40.
Biology (Basel)
December 2023
Department of Integrated Biology and Physiology, University of Minnesota, Minneapolis, MN 55455, USA.
This study explores the relationship between the light features of the Arctic spring equinox and circadian rhythms, sleep and metabolic health. Residents (N = 62) provided week-long actigraphy measures, including light exposure, which were related to body mass index (BMI), leptin and cortisol. Lower wrist temperature (wT) and higher evening blue light exposure (BLE), expressed as a novel index, the nocturnal excess index (NEI), were the most sensitive actigraphy measures associated with BMI.
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