نتایج جستجو برای: mobile phone use

تعداد نتایج: 1930278  

Journal: :basic and clinical cancer research 0
mehdi ranjbaran department of public health, faculty of health, arak university of medical sciences, arak, iran mahmood khodadost department of epidemiology and biostatistics, school of public health, iran university of medical sciences, tehran, iran kamyar mansori department of epidemiology and biostatistics, school of public health, iran university of medical sciences, tehran, iran seyed houssien mousavi jarrahi department of biostatistics, school of public heath, mashhad university of medical sciences, mashhad, iran erfan ayubi department of epidemiology and biostatistics, school of public health and health research institute, tehran university of medical sciences, tehran, iran milad nazarzadeh ilam university of medical sciences, ilam, iran

background : the association of the mobile phone use and risk of brain tumor remains controversial among radiationepidemiologists. methods : we hypothesized if an association between brain tumor and mobile phone use exists, this association will be manifested as a cohort effect (as a proxy of association between mobile phone use and brain tumor) in the incidence rates of brain tumor during the ...

Abstract Introduction: Mobile phones create high-frequency electromagnetic fields around them when in use. The close proximity of mobile phones to the user’s head leads to the absorption of part of the electromagnetic waves into the head and the brain. Methods: We have elucidated the alteration in cognitive function of the male and female offspring rats, which were exposed to chronic mobi...

Background: Infertility is defined 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. Phone electromagnetic power is very small, only a few hundredths of a microwave oven, but bec...

Elham Bidabadi , Marya Pasandideh , Mojgan Mallah-Saeed ,

Background: A lot of investigations exist on the biological effects of radiofrequency and microwave radiation however only a few studies have considered non-carcinogenic exposure to radiations specifically from mobile phones. Objectives: To introduce some subjective neurological symptoms in mobile phone users. Materials and Methods: In this cross-sectional descriptive study conducted from March...

Background Mobile phone has played an increasingly important role in people’s lives; however, there is a global concern that it may cause adverse effects on health. This study aimed to assess the effect of educational intervention based on Health Belief Model (HBM) to d...

Background: Distracted walking is a major cause of pedestrian fatalities. Along with the expansion and popularity of mobile phones, their impacts on pedestrian safety, especially when crossing urban intersections have attracted a lot of attention. The purpose of this study is to evaluate the effects of mobile-phone use on pedestrians’ crossing behavior when passing signalized intersections. Ma...

Introduction: Mobile learning is a new way of modern teaching method and a subset of e-learning that refers to a change in thinking about the design and planning of learning goals and environments. The purpose of this study was to investigate the attitude of students of the Medical Sciences School toward the mobile phone in educational activities and its usage. Methods: 150 students of Mashhad...

The cell phone is one of the potential Information Communication Technologies (ICTs) in agricultural development especially in developing countries like Bangladesh. Thus, this paper deals with the farmers’ communication with the agricultural extension agents using mobile phone. The study was conducted in Mymensingh District in Bangladesh. Data were collected from a sample of 110 farmers while b...

Journal: :iranian journal of public health 0
fateme arbabi-kalati 1. dept. of oral medicine, genetics of non- communicable disease research center, zahedan university of medical sciences , zahedan, iran. saeedeh salimi 2. dept. of biochemistry, cellular and molecular research center , zahedan university of medical sciences , zahedan, iran. ali vaziry-rabiee 3. dept. of dentistry, zahedan university of medical sciences , zahedan, iran. mohammad noraeei 3. dept. of dentistry, zahedan university of medical sciences , zahedan, iran.

nowadays mobile phone is very popular, causing concern about the effect it has on people's health. parotid salivary glands are in close contact to cell phone while talking with the phone and the possibility of being affected by them. limited studies have evaluated the effect of cell phone use on the secretions of these glands; so this study was designed to investigate the effects of duration of...

ژورنال: رویش روانشناسی 2017

Mobile phone is today the most influential technologies that apart from the damage of biological, psychological damages are also sought. Growth and expansion of human knowledge and modern technologies that the world is transformed human caused and any moment complexer. One of the phenomena that transformed human life in the twentieth century and still continues a growing trend of cell phones. I...

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