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Najnowsze publikacje
Digital hygiene among teachers
(Bastas Publications, 2026) Tomczyk, Łukasz; Potyrała, Katarzyna; Kaczmarzyk, Marek; Mędrala, Dawid
Abstract: "The aim of the study was to diagnose the level of digital hygiene among teachers in Poland. The study was also intended to reveal the factors (socio-demographic variables) that differentiate the level of attitudes and activities enabling the safe use of digital devices and the Internet. The research was conducted using the digital hygiene test and was carried out in the second half of 2023 in Poland (N = 736) in line with the need to strengthen the skills enabling the use of new technologies in a way that does not threaten digital health and safety. Based on the data collected, it was noted that (1) the surveyed teachers most often drew attention to not using the phone in a situation requiring attention, e.g., crossing a road or a track. In addition, very frequent behaviors included not accepting unknown people as friends, limited trust in links and content on the Internet, and conscious digital footprint actions; (2) the least frequent behaviors were the physical disinfection of smartphones, avoiding using phones before bedtime, and actively responding to negative content posted on the Internet; (3) individual digital hygiene activities are rarely correlated in a significant way, suggesting high internal differentiation; (4) having good ICT habits in one area does not guarantee the same in another area; (5) cluster analysis showed that 9% of teachers have a high level of digital hygiene in selected areas; (6) 44% of teachers have varying levels of digital hygiene, while 46.2% have medium or low levels of digital hygiene; (7) gender does not differentiate digital hygiene levels; and (8) workplace and school type is a factor in digital hygiene levels."(...)
Medicine and Public Health, 2024, Vol. 2, Number 2
(Oficyna Wydawnicza AFM Uniwersytetu Andrzeja Frycza Modrzewskiego w Krakowie, 2024) Lachowska, Alicja; Michalewska, Kinga; Preizner-Rzucidło, Ewelina; Roszkowska, Anna Maria; Lombardo, Marco; Rzucidlo, Mateusz; Kluz, Michał Wiktor; Kluz, Tomasz; Sikora, Agnieszka Weronika; Stopyra, Lidia
Medicine and Public Health, 2025, Vol. 3, Number 1
(Oficyna Wydawnicza AFM Uniwersytetu Andrzeja Frycza Modrzewskiego w Krakowie, 2025) Krowiak, Anita; Krowiak, Karolina; Maryńczak, Anna; Mendocha, Jakub; Korneta, Krzysztof A.; Wąsik, Magdalena Maria; Potapov, Oleksii; Sielski, Peter; Kolendo, Jarosław; Marconi, Stefania; Casalongue, Manuel Sanchez; Komorowski, Andrzej L.; Wróblewska, Katarzyna; Koźlak, Julia Aleksandra; Hybel, Justyna Maria; Wyroba, Jakub; Kostarczyk, Katarzyna; Kochan, Joanna; Lachowska, Alicja
Medicine and Public Health, 2024, Vol. 2, Number 1
(Oficyna Wydawnicza AFM Uniwersytetu Andrzeja Frycza Modrzewskiego w Krakowie, 2024) Ligęza, Janusz; Teleglow, Aneta; Kulpa, Magdalena; Hartman, Jan; Stopyra, Lidia; Angiel, Katarzyna; Niedrygas, Katarzyna; Milaniak, Irena; Dębska,Grażyna; Sobczyk, Dorota; Stachura, Magdalena Katarzyna; Czepko, Ryszard; Morga, Rafał; Bogaczyk, Anna; Gierek, Kamil; Kluz-Barłowska, Marta; Stefańska, Małgorzata; Kaznowska, Ewa; Kluz, Tomasz
Introduction: "We are delighted to present the third issue of the “Medicine and Public Health Journal”. This issue brings together six diverse articles that provide valuable perspectives on health, ethics and the ways in
which humans adapt to medical and environmental challenges.
An original research article by Teleglow et al. delves into the fascinating world of winter swimmers, individuals who regularly immerse themselves in icy waters. The study examines how such extreme environmental exposure affects leukocyte apoptosis, shedding light on the adaptability and resilience of the human immune system.
This issue features two insightful review articles that address critical matters in public health and clinical practice. Prof Jan Hartman explores philosophical frameworks for redistribution of health care, contrasting entitlement-based approaches with solidarity-based models. Meanwhile, Stopyra’ et al. highlight the complexity of diagnosing CMV infection. Using two illustrative case studies, the article highlights the broad spectrum of symptoms and the importance of a thorough differential diagnosis in infants with multi systemic presentations.
The case reports in this issue offer interesting perspectives on rare and challenging clinical scenarios. Milaniak et al. raise the issue of the cardiovascular risks of anorexia nervosa and the critical role of echocardiography in monitoring adolescent patients. Stachura et al. present the remarkable story of a pregnant patient undergoing awake neurosurgery, highlighting the importance of interdisciplinary care. Finally, Bogaczyk et al. explore the diagnosis of a congenital tumour identified postnatally, highlighting the value of neonatal screening and the complexity of managing such rare cases. Taken together, these case reports highlight the value of innovative and patient-centred approaches to the management of rare but important conditions.
We hope that you find the articles in this issue thought-provoking and informative, and that they stimulate both clinical and academic discussion. Thank you for joining us in exploring these diverse facets of medicine and public health. Enjoy reading! "(...)
Nonexpansive-type operators from nonlinear operator-valued measures
(Springer Nature, 2025-12-18) Szczypiński, Tomasz
Abstract: "This paper is grounded in the long-standing, purely abstract theory of integration with respect to nonlinear operator-valued measures μ :ℛ→N(S, F), which defines the integral operator Tf ≡ ∫︁ f dμ in full generality. By leveraging Pettis and Bochner Radon–Nikodým-type theorems and imposing natural assumptions on measurability and semivariation, we establish that this abstract integral can be represented by a classical scalar integral with a Carathéodory kernel φ : S×X →F. This representation, a core contribution of this work, translates the abstract operator integral into the more familiar form Tf = ∫︁X φ(f (y), y)dm(y). This approach not only provides a powerful analytical framework but also enables the direct use of standard tools for nonlinear integral operators. Moreover, by introducing a Lipschitz condition on the kernel, we derive the nonexpansive inequality ||Tf – Tg|| ≤ ||L||Lq ||f – g||Lp , thereby classifying T as a nonexpansive operator (or a strict contraction when ||L||Lq < 1). Consequently, this framework enables the direct application of classical fixed-point algorithms, such as Picard iterations for contractions and Krasnoselskii–Mann or Halpern schemes for nonexpansive mappings. This work bridges the gap between the abstract theory of operator-valued measures and the practical application of nonexpansive-type operator theory and algorithms."(...)