Winnie Perez Pd. 4 Disadvantages of mobile phone In this era‚ the prosperity of advance technology is blossoming like mushrooms growing in the back yard. Meanwhile‚ invented in 1973 by Martin Cooper‚ mobile phones nowadays are becoming one of the most popular pieces of technology and nearly everyone own a cell phone. Nonetheless‚ mobile phones bring not only easiness in communication area‚ but also many negative effects. Therefore‚ I am convinced that negative health effects‚ the effect
Premium Mobile phone
Health Issues Do cell phones pose a health hazard? Many people are concerned that cell phone radiation will cause cancer or other serious health hazards. The weight of scientific evidence has not linked cell phones with any health problems. Cell phones emit low levels of radiofrequency energy (RF). Over the past 15 years‚ scientists have conducted hundreds of studies looking at the biological effects of the radiofrequency energy emitted by cell phones. While some researchers have reported biological
Premium Mobile phone Radio
Must we use mobile phones all the time? In this century‚ there are lots of people using mobile phones‚ from the young to the old‚ from the have to the have-not. Mobile phones can have positive effects if we use it well. But there are many people who misuse them‚ especially students. Most of them can never separate from their mobile phones. In fact‚ using mobile phones all the time can make us procrastinate doing things like eating and praying‚ forget to study‚ and even suffer from cancer. The
Premium Cancer Mobile phone Breast cancer
"Cell Phone" redirects here. For the film‚ see Cell Phone (film). For the Handphone film‚ see Handphone (film). The Qualcomm QCP-2700‚ a mid-1990s candybar style phone‚ and an iPhone 5‚ a current production smartphone. A mobile phone is a device that can make and receive telephone calls over aradio link while moving around a wide geographic area. It does so by connecting to a cellular network provided by a mobile phone operator‚ allowing access to the public telephone network. By contrast‚ a cordless
Free Mobile phone
RESEARCH ARTICLE Open Access Mobile phone use and stress‚ sleep disturbances‚ and symptoms of depression among young adults - a prospective cohort study Sara Thomée1*‚ Annika Härenstam2‚ Mats Hagberg1 Abstract Background: Because of the quick development and widespread use of mobile phones‚ and their vast effect on communication and interactions‚ it is important to study possible negative health effects of mobile phone exposure. The overall aim of this study was to investigate whether there
Premium Mobile phone Epidemiology Rotary dial
Introductin Mobile phones are one of the most common information access devices with almost 31% of the global population having access. This exploratory study investigated usage patterns of‚ and attitude about‚ cell phones among university students in a mature market (United States) and a rapidly growing new market (India) by surveying students in each country. Key findings from the study include similarities in the usage of phones to communicate with others and in the perception of mobile phone usage
Free Mobile phone
I do agree that students should be allowed to bring their mobile phones to school. * In a day and age where everyone relies heavily upon modern technology for communication‚ cell phones are a good thing to have‚ especially for high school students. * Many students have after-school activities‚ such as a sport or a club that they participate in after school hours‚ when most people‚ including the office staff‚ have already gone home for the day. The students need a way to contact their parents
Premium Mobile phone Rotary dial Cellular network
Have mobile phones caused more problems in our society that benefits they have brought? First of all‚ Mobile phone has many disadvantages to human health. According to researchers‚ the electromagnetic waves are the cause of insomnia‚ difficulty in concentration‚ fatigue‚ headache‚ rise in blood pressure and cancer. The American Journal of Epidemiology published a study from research author Dr. Siegal Sadetzki‚ a cancer specialist at Tel Aviv University found people who use a mobile phone for hours
Premium Mobile phone
A mobile phone (also known as a cellular phone‚ cell phone and a hand phone) is a device that can make and receive telephone calls over a radio link while moving around a wide geographic area. It does so by connecting to a cellular network provided by a mobile phone operator‚ allowing access to the public telephone network. By contrast‚ a cordless telephone is used only within the short range of a single‚ private base station. In addition to telephony‚ modern mobile phones also support a wide variety
Free Mobile phone
merits: 1)sense of security 2)always be the teen’s fashion 3)can use to play when we feel bore 4)makes closer when we r away(easy to get touch with our family) 5)we have fun there(by taking snaps‚videos when there is a function) 6)calendar 7)Timer 8)can do calculation 9)it isPortable demerits: 1)Expensive 2)Some of them are too thin and easily broken. 3)may cause distraction inlearning or when we are at work 4)spend less time with our family(by talking through it always)
Premium Mobile phone