Cellphones

 Cellphone Radiation = =

Introduction ﻿Cellphone or Hand phone is an electronic device. Since 1973 Dr Martin Cooper invented the first cellphone,more and more people use it for contact. There have been worries that the radio wave they emit cause brain cancer. Cellphone used to make mobile phone calls across wide geographic area a Cellphone can make or receive the telphone calls, text messaging, MMS, email, internet acces, short-rang wireless communications(infrared,bluetooth), gaming and photography.

How Cellphones Affects Our Brain Type of radiation coming out of the Cellphone is called (non-lonizing) it is not like an Xray, but more like a low-powered microwave oven. What happens to the food in microwaves, cellphones does the same thing to the brain.

**Last News about cellphones Radiation**

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On May 31,2011, a team of 31 scientists from 14 countries, including the United States, made the decision after study on cell phone safety. The team found enough evidence to categorize personal exposure as possibly carcinogenic to humans.

There are ways to Minimize Cell phone Radiation
1-Users can use the speakerphone function or a wired earpiece to gain some distance to absorb the radiation. 2-Users can text instead of talk if they want cellphone away from their head. 3-Avoid using cellphone in elevators, buildings and cars, because cellphones giving more radiation when the area have a weak signal. 4-When cellphone recive calling,please answer it after 2 or 3 senconds because the radiationg is strongest at the time.

A universal knowlege of cellphone radiation
media type="youtube" key="eVo2maA7h1E" height="349" width="425" This video tried to tell people cellphone have effect to health.In other word,if you have long time to use cellphone,then it will have more rafiation close your brain. Someone studys display in 2003:people who have uesed cellphone for 10 years and over 30 minutes per day,the rate of glioma was up to 40%.





**Conclusion ** Results from the largest international study on cell phones and cancer was released in 2010. It showed participants in the study who used a cell phone for 10 years or more had doubled the rate of brain glioma, a type of tumor.

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