<abstract xmlns="http://www.w3.org/1999/xhtml">

The article is another paper in an unintended series on designing the technology of diving [1,2,3]. It refers to the elements of the methodology1 used in the works to develop the technology of using the Mx/O_2-SCR CRABE SCUBA2 type diving apparatus in the mine countermeasure system as an example [4,5]. The previous article focused on the impact of the NATO Standardization Organization requirements on the purpose of the main process implemented in the system that constitutes the aforementioned diving technology. The present article discusses the reliability of the process implemented in the system.
</abstract>

Diving Technology Design in a Mine Countermeasure System Part II Reliability

<abstract xmlns="http://www.w3.org/1999/xhtml">

This is another from the series of papers discussing studies on saturation diving technology and its use in Poland. This part explains the specificities of the Polish context and achievements against the backdrop of economic and historical circumstances. It describes how the central base for saturation diving came into being in the times of economic collapse in the country. At that time, the shipbuilding industry was the driving force behind research on saturation diving as a cornerstone for building a framework for diving systems to be exported to other countries to secure the extraction of assets from the sea shelf. The paper introduces the readers to the efforts of animators and protagonists of that period of underwater research in Poland whose achievements are continued until to-date. The second part of the paper shows how the Polish system of saturation diving was created. The article also considers the technical and organisational aspects of the first saturation diving experiences and the history of the Polish method of decompression for saturation diving. To accomplish this difficult task, it was crucial to ensure a solid industrial and academic base working for the defence sector and assisted by relevant state agencies. A multiannual CPBR programme was also set up with measures 9.2 and 9.5 dealing with medicine and technology which resulted in the development of a diving system with its organization, medical support and reliable technology. Outcomes of this programme are still being implemented today. Despite progress made in medicine, technology, and organisation issues involved in saturation diving are still pertinent because independently of their complexity and high cost this type of diving is the most efficient and allows for very deep diving operations up to 400-500 m.
</abstract>

Studies on Saturation Diving in Poland and Practical Application of their Findings. Part 2A. Developing a Polish System of Saturation Diving in the 1980s and 1990s

<abstract xmlns="http://www.w3.org/1999/xhtml">

Zinc and magnesium are among the most important elements for the human body. A deficiency or excess of either of them may pose a potential threat to the homeostatic mechanisms of the body. Both elements condition the proper functioning of the immune system. Zinc and magnesium deficiency significantly reduces the body's immunity, facilitating infection with various pathogens, including SARS-COV-2 infection. In this paper, we reviewed the literature on the impact of zinc and magnesium deficiencies on the incidence and course of COVID-19.
</abstract>

John Paul II University of Applied Sciences in Biala Podlaska

Department of Epidemiology and Public Health

Zinc and Magnesium vs COVID - 19

<abstract xmlns="http://www.w3.org/1999/xhtml">

Water rescue is constantly looking for solutions to improve the effectiveness of its operations. One of the elements of an action carried out directly in water is the rescue jump, whose effectiveness may determine the quality and success of the action taken. Therefore, a study was carried out to assess the effectiveness of a rescuer reaching a drowning person depending on the method of entry into the water. Comparisons were made between a traditional rescue jump (forward or stride entry) and a start jump used in sports. The observations also took into account factors related to the location of the operation (swimming pool, inland), the distance from the shore and the depth of immersion of the drowning person. The results show a significantly longer time for the rescuer to reach the drowning person after the rescue jump as compared to the start jump. Under standard swimming conditions, regardless of the distance and depth of immersion of the drowning person, all subjects reached the victim in the first attempt. Observations carried out in the conditions of designated inland water areas revealed comparable effectiveness in finding a simulated drowning person submerged to a depth of 2m and a significantly shorter time to reach them in favour of the start jump.
</abstract>

An Attempt to Assess the Effectiveness of a Rescue and Starting Jump as Part of Activities Carried Out in Designated Water Areas Directly in Deep Water

<abstract xmlns="http://www.w3.org/1999/xhtml">

The purpose of the research is to compare the somatic parameters of people practicing swimming in different conditions of the geographical environment – in Poland and Norway. The research material was collected by performing anthropometric measurements in a 112 person group of professional swimmers living in Poland and group 21 swimmers from Norway. The mean of the age in the group of Poles was 19.97 years (SD=3.31) and in the group of Norwegians it was 17.11 years (SD=1.05). A series of anthropometric measurements was performed in both research groups. Statistical analyzes were made using the Statistica 13.1 (StatSoft, USA). In summary of the results of the conducted research, it must be emphasized that these indicate differences in the somatic structure of swimmers living and training in Poland and Norway.
</abstract>

Faculty of Health WSB MERITUM University of Gdańsk

The Anthropometric Profile of Adult Swimmers from Poland Compared to the Corresponding Data of Swimmers from Norway

<abstract xmlns="http://www.w3.org/1999/xhtml">

The subject of the work is the rarely discussed issue of the sexuality of the elderly. The article describes the sexuality of people in the "autumn of life". The aim of this work is to draw attention to the need to promote sexual health, as well as to prevent sexual disorders. A review of 34 literature items on various aspects of sexuality in the elderly was made: physiology, psyche, and social significance. There are restrictions on the intimate sphere resulting from the need for older people to stay in care and treatment facilities, social welfare homes. Love is presented as a biochemical process to show that it does not depend only on the changing corporeality of a person and that its epicenter is in the brain. The change of the hierarchy of sexual needs occurring with age, the evolution of the art of love from procreation to pleasure and sensuality are presented.
Conclusion: the sexuality of seniors is an important sphere of their everyday life and has a large impact on functioning in society, as well as on the perception of their own attractiveness and self-acceptance.
</abstract>

Sexuality of Elderly People

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Polish Hyperbaric Research

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