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    Wyświetlanie 1-7 z 7
    Tytuł:
    Evaluation of the effect of using mobile phones on male fertility
    Autorzy:
    Wdowiak, A
    Wdowiak, L.
    Wiktor, H.
    Powiązania:
    https://bibliotekanauki.pl/articles/52101.pdf
    Data publikacji:
    2007
    Wydawca:
    Instytut Medycyny Wsi
    Tematy:
    human health
    sperm cell
    structure
    electromagnetic wave
    male fertility
    male
    mobile telecommunication zob.mobile telephony system
    mobile telephony system
    living organism
    mobile phone
    motility
    Opis:
    The problem of the lack of offspring is a phenomenon concerning approximately 15% of married couples in Poland. Infertility is defi ned as inability to conceive after a year of sexual intercourses without the use of contraceptives. In half of the cases the causative factor is the male. Males are exposed to the effect of various environmental factors, which may decrease their reproductive capabilities. A decrease in male fertility is a phenomenon which occurs within years, which may suggest that one of the reasons for the decrease in semen parameters is the effect of the development of techniques in the surrounding environment. A hazardous effect on male fertility may be manifested by a decrease in the amount of sperm cells, disorders in their mobility, as well as structure. The causative agents may be chemical substances, ionizing radiation, stress, as well as electromagnetic waves. The objective of the study was the determination of the effect of the usage of cellular phones on the fertility of males subjected to marital infertility therapy. The following groups were selected from among 304 males covered by the study: Group A: 99 patients who did not use mobile phones, Group B: 157 males who have used GSM equipment sporadically for the period of 1-2 years, and Group C: 48 people who have been regularly using mobile phone for more than 2 years. In the analysis of the effect of GSM equipment on the semen it was noted that an increase in the percentage of sperm cells of abnormal morphology is associated with the duration of exposure to the waves emitted by the GSM phone. It was also confi rmed that a decrease in the percentage of sperm cells in vital progressing motility in the semen is correlated with the frequency of using mobile phones.
    Źródło:
    Annals of Agricultural and Environmental Medicine; 2007, 14, 1
    1232-1966
    Pojawia się w:
    Annals of Agricultural and Environmental Medicine
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Narażenie ludności na pole elektromagnetyczne anten telefonii komórkowej
    Autorzy:
    Marzec, S.
    Stawowy, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/370890.pdf
    Data publikacji:
    2007
    Wydawca:
    Wyższa Szkoła Zarządzania Ochroną Pracy w Katowicach
    Tematy:
    pole elektromagnetyczne
    telefonia komórkowa
    stacje bazowe
    electromagnetic fields
    cell phone
    base stations
    Opis:
    W artykule przedstawiono charakterystykę promieniowania elektromagnetycznego anten sektorowych stacji bazowych telefonii komórkowej systemu GSM. Przeanalizowano warunki ekspozycji ludności na ten czynnik oraz określono ryzyko zdrowotne z tym związane. Porównano przepisy krajowe polskie i zagraniczne, określające dopuszczalne narażenie ludności na pole mikrofalowe. Stwierdzono, że polskie przepisy w tym względzie należą do najbardziej restrykcyjnych i dopuszczają narażenie ludności na poziomy kilkadziesiąt razy mniejsze niż np. przepisy amerykańskie, niemieckie czy japońskie. Wykazano na przykładach, że mimo tak znacznych obostrzeń przepisów polskich, ekspozycja ludności na pola elektromagnetyczne emitowane przez anteny telefonii komórkowej instalowane na terenie kraju, jest niewielka, znacznie poniżej maksymalnych wartości dopuszczalnych.
    This publication presents characteristics of an electromagnetic field emitted by mobile telecommunication devices, mainly base stations sector antennas. The conditions of people exposition to that factor are analyzed and the corresponding health risk is evaluated. Polish and other countries’ regulations concerning admissible people exposition to microwave radiation are compared. Polish regulations occur to be the most restrictive in this domain, admitting several times lower exposition than American, German or Japanese ones. Despite of such limitations in country’s regulations, actual people’s exposition to electromagnetic fields, emitted by mobile telecommunication antennas on Polish area is very little, much below maximum admissible values.
    Źródło:
    Zeszyty Naukowe Wyższej Szkoły Zarządzania Ochroną Pracy w Katowicach; 2007, 1(3); 45-54
    1895-3794
    2300-0376
    Pojawia się w:
    Zeszyty Naukowe Wyższej Szkoły Zarządzania Ochroną Pracy w Katowicach
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Nowe technologie – nowa komunikacja w rodzinie
    New Technologies – the New Communication in Family
    Autorzy:
    Jęczeń, Jarosław
    Powiązania:
    https://bibliotekanauki.pl/articles/31342822.pdf
    Data publikacji:
    2009
    Wydawca:
    Katolicki Uniwersytet Lubelski Jana Pawła II. Towarzystwo Naukowe KUL
    Tematy:
    nowe media
    Internet
    telefon komórkowy
    generacja Y
    rodzina
    komunikacja
    new media
    cell phone
    generation Y
    family
    communication
    Opis:
    Parents and spouses are using the Internet and cell phones to create a „new connectedness” that built in remote connections and shared Internet experiences. Today's married couples use a variety of tools–landline phones, cell phones, instant messaging, and email – to manage their schedules and stay connected with each other throughout the day. The adoption of cell phones and computers is a particularly important component of the way today's families stay in touch and coordinate their lives. Although families often go their separate ways during the day, they are connected by the Internet and, even more so, by cell phone. This new connectedness via cell phones and screen-sharing creates networked families.
    Źródło:
    Roczniki Nauk o Rodzinie; 2009, 1; 121-137
    2081-2078
    Pojawia się w:
    Roczniki Nauk o Rodzinie
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Effects of exposure to electromagnetic field radiation (EMFR) generated by activated mobile phones on fasting blood glucose
    Autorzy:
    Meo, Sultan A.
    Al Rubeaan, Khalid
    Powiązania:
    https://bibliotekanauki.pl/articles/2179776.pdf
    Data publikacji:
    2013-04-01
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    mobile phone radiation
    hyperglycemia
    insulin resistance
    β-cell function
    Opis:
    Objective: Extensive use of mobile phones has been accompanied by a common public debate about possible adverse effects on human health. No study has been published so far to establish any association between the fastest growing innovation of mobile phone and fasting blood glucose. The aim was to determine the effects of exposure to electromagnetic field radiation generated by mobile phones on fasting blood glucose in Wistar Albino rats. Materials and Methods: 40 Male Albino rats (Wistar Strain) were divided into 5 equally numerous groups. Group A served as the control one, group B received mobile phone radiation for less than 15 min/day, group C: 15-30 min/day, group D: 31-45 min/day, and group E: 46-60 min/day for a total period of 3 months. Fasting blood glucose was determined by using Spectrophotometer and serum insulin by Enzyme-linked Immunosorbent Assay (ELISA). The Homeostatic Model (HOMA-B) was applied for the assessment of β-cell function and (HOMA-IR) for resistance to insulin. Results: Wister Albino rats exposed to mobile phone radiation for longer than 15 min a day for a total period of 3 months had significantly higher fasting blood glucose (p < 0.015) and serum insulin (p < 0.01) compared to the control group. HOMA-IR for insulin resistance was significantly increased (p < 0.003) in the groups that were exposed for 15-30 and 46-60 min/day compared to the control rats. Conclusion: The results of the present study show an association between long-term exposure to activated mobile phones and increase in fasting blood glucose and serum insulin in Albino rats.
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2013, 26, 2; 235-241
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The risk of subjective symptoms in mobile phone users in Poland – An epidemiological study
    Autorzy:
    Szyjkowska, Agata
    Gadzicka, Elżbieta
    Szymczak, Wiesław
    Bortkiewicz, Alicja
    Powiązania:
    https://bibliotekanauki.pl/articles/2178839.pdf
    Data publikacji:
    2014-05-17
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    electromagnetic fields
    feeling of warmth
    headaches
    cell phone
    subjective complaints
    Opis:
    Objectives: To assess the type and incidence of subjective symptoms related to the use of mobile phones in Polish users. Material and Methods: The study was conducted in 2005 using a questionnaire survey. Although it has been quite a long time, up to now, no such data have been published for Poland. The questionnaire consisted of 53 questions concerning sex, age, education, general health, characteristics of a mobile phone (hand-held, loud-speaking unit) as well as the habits associated with its use (frequency and duration of calls, text messages, etc.) and complaints associated with using a mobile phone. Results: As many as 1800 questionnaires were sent. The response was obtained from 587 subjects aged 32.6±11.3 (48.9% women, 51.1% men); the age did not differ significantly between men and women. The subjects owned a cell phone for an average of 3 years. Majority of the respondents used the phone intensively, i.e. daily (74%) or almost daily (20%). Headaches were reported significantly more often by the people who talked frequently and long in comparison with other users (63.2% of the subjects, p = 0.0029), just like the symptoms of fatigue (45%, p = 0.013). Also, the feeling of warmth around the ear and directly to the auricle was reported significantly more frequently by the intensive mobile phone users, compared with other mobile phone users (47.3%, p = 0.00004 vs. 44.6%, p = 0.00063, respectively). Most symptoms appeared during or immediately after a call and disappeared within 2 h after the call. Continuous headache, persisting for longer than 6 h since the end of a call, was reported by 26% of the subjects. Conclusions: Our results show that the mobile phone users may experience subjective symptoms, the intensity of which depends on the intensity of use of mobile phones.
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2014, 27, 2; 293-303
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Telefon komórkowy w konsumpcji mediów cyfrowych
    Cell phone in consumption of digital media
    Autorzy:
    Witczak, Olgierd
    Powiązania:
    https://bibliotekanauki.pl/articles/593612.pdf
    Data publikacji:
    2016
    Wydawca:
    Uniwersytet Ekonomiczny w Katowicach
    Tematy:
    Konsumpcja
    Media
    Telefon komórkowy
    Cell phone
    Consumption
    Opis:
    Artykuł podejmuje problematykę wykorzystania telefonu komórkowego w konsumpcji mediów cyfrowych. Zdiagnozowano wpływ zmiennych społeczno--demograficznych użytkowników oraz przeanalizowano wykorzystywaną funkcjonalność telefonu komórkowego. Zidentyfikowano media cyfrowe konsumowane za pomocą telefonu komórkowego. W tekście analizowany jest również potencjał wykorzystania telefonu komórkowego w komunikacji marketingowej przedsiębiorstwa. Płaszczyzną dla zaprezentowanych w artykule rozważań są wyniki zrealizowanych badań bezpośrednich.
    Article takes the problems connected with the use of a cell phones as a device used for digital media consumption. It was diagnosed impact of socio-demographic variables and analyses was made in functionality of cell phone among users. Digital media was identified which are consumed using a cell phone. The text explores also the potential use of cell phone in marketing communications of a company. Area for considerations presented in this article are direct research results.
    Źródło:
    Studia Ekonomiczne; 2016, 254; 252-264
    2083-8611
    Pojawia się w:
    Studia Ekonomiczne
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    The analysis of drivers’ reaction time using cell phone in the case of vehicle stabilization task
    Autorzy:
    Žuraulis, Vidas
    Nagurnas, Saulius
    Pečeliūnas, Robertas
    Pumputis, Vidmantas
    Skačkauskas, Paulius
    Powiązania:
    https://bibliotekanauki.pl/articles/2162015.pdf
    Data publikacji:
    2018-10-23
    Wydawca:
    Instytut Medycyny Pracy im. prof. dra Jerzego Nofera w Łodzi
    Tematy:
    driver
    cell phone
    reaction time
    statistical analysis
    psychophysiology
    vehicle stabilization
    Opis:
    Objectives The article analyzes the driver’s psychophysiological qualities such as complex reaction and individual ability to control the vehicle that has suddenly lost its stability. The comparative analysis of the duration of reaction time was performed to assess the negative influence of speaking on a phone and driving with one hand. Material and Methods The experimental research was carried out on special training grounds with the road surface having low adhesion coefficient, where sudden lateral vehicle destabilization was caused by the moving plate mounted on the road surface. The vehicle onboard equipment was used for identifying the difference between the destabilization moment and the responsive driver’s steering wheel movement which in this research was assumed as the reaction time. Results Statistical methods of research applied for the analysis of results showed high probability that the driver’s actions would be significantly late in controlling a vehicle. When stabilizing a vehicle movement, the complex reaction time of a vehicle driver speaking on a mobile phone is increased by 18.1% as compared with the conventional driving by a driver not speaking on a phone. Conclusions The risk of using the phone depends on the driver characteristics, traits and attitudes that affect the level of their experienced dangers, and the intensity of using mobile phones and driving. Speaking on a phone while driving increases the driver’s reaction time and mental workload, and changes his or her visual overview ability as well as understanding of the situation. Int J Occup Med Environ Health 2018;31(5):633–648
    Źródło:
    International Journal of Occupational Medicine and Environmental Health; 2018, 31, 5; 633-648
    1232-1087
    1896-494X
    Pojawia się w:
    International Journal of Occupational Medicine and Environmental Health
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-7 z 7

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