Electromagnetic Fields And Public Health: Mobile Phones Part 1

Mobile Phone Radiation, Electromagnetic Fields

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Key facts
• Mobile phone use is ubiquitous with an estimated 4.6 billion subscriptions globally.
• The electromagnetic fields produced by mobile phones are classified by the International Agency for Research on Cancer as possibly carcinogenic to humans.
• Studies are ongoing to more fully assess potential long-term effects of mobile phone use.
• WHO will conduct a formal risk assessment of all studied health outcomes from radiofrequency fields exposure by 2012.

Mobile or cellular phones are now an integral part of modern telecommunications. In many countries, over half the population use mobile phones and the market is growing rapidly. At the end of 2009, there were an estimated 4.6 billion subscriptions globally. In some parts of the world, mobile phones are the most reliable or the only phones available.

Given the large number of mobile phone users, it is important to investigate, understand and monitor any potential public health impact.

Mobile phones communicate by transmitting radio waves through a network of fixed antennas called base stations. Radiofrequency waves are electromagnetic fields, and unlike ionizing radiation such as X-rays or gamma rays, can neither break chemical bonds nor cause ionization in the human body.

Exposure levels
Mobile phones are low-powered radiofrequency transmitters, operating at frequencies between 450 and 2700 MHz with peak powers in the range of 0.1 to 2 watts. The handset only transmits power when it is turned on. The power (and hence the radiofrequency exposure to a user) falls off rapidly with increasing distance from the handset. A person using a mobile phone 30–40 cm away from their body – for example when text messaging, accessing the Internet, or using a “hands free” device – will therefore have a much lower exposure to radiofrequency fields than someone holding the handset against their head.

In addition to using “hands-free” devices, which keep mobile phones away from the head and body during phone calls, exposure is also reduced by limiting the number and length of calls. Using the phone in areas of good reception also decreases exposure as it allows the phone to transmit at reduced power. The use of commercial devices for reducing radiofrequency field exposure has not been shown to be effective.

Mobile phones are often prohibited in hospitals and on airplanes, as the radiofrequency signals may interfere with certain electro-medical devices and navigation systems.

Are there any health effects?
A large number of studies have been performed over the last two decades to assess whether mobile phones pose a potential health risk. To date, no adverse health effects have been established as being caused by mobile phone use.

Short-term effects
Tissue heating is the principal mechanism of interaction between radiofrequency energy and the human body. At the frequencies used by mobile phones, most of the energy is absorbed by the skin and other superficial tissues, resulting in negligible temperature rise in the brain or any other organs of the body.

A number of studies have investigated the effects of radiofrequency fields on brain electrical activity, cognitive function, sleep, heart rate and blood pressure in volunteers. To date, research does not suggest any consistent evidence of adverse health effects from exposure to radiofrequency fields at levels below those that cause tissue heating. Further, research has not been able to provide support for a causal relationship between exposure to electromagnetic fields and self-reported symptoms, or “electromagnetic hypersensitivity”.

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Warning Kids are at High Risk of Developing Brain Cancer Part 1

Cell Phone Radiation, Warning Cell Phone Radiation

Warning Kids are at High Risk of Developing Brain Cancer Part 2

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I know what you are considering. There is no way that talking on my cellphone can possibly lead to cancer, correct. Wrong. Yes, I have a cellphone too and use it all the time, but I do use speaker telephone as considerably as achievable. These are just some statistics and studies that have been done just lately to make you consider twice about not using your speakerphone. I don’t just think that making use of my cell phone can cause cancer, I know it to be true.

If you can get cancer by standing inside three to four feet of your microwave, then how about radio waves currently being emitted proper up coming to your earlobe. The causes of cancer are numerous, but let us appear at all the warnings and possibly see if there is some validation to the so known as claims. Very first of all, why would the United Nations warn us in a report that electromagnetic radiation emitted by cell phones, computer systems, ipads and other wireless devices could possibly lead to cancer.

Secondly, why the the World Well being Organization warn us that according to scientific investigation the following conclusion to distinct types of cancer have been ascertained. According to building Glioma which is a rare but frequently deadly kind of brain tumor, electromagnetic fields are a extremely strong possibility of being carcinogenic to humans. In other words, electromagnetic waves emitted by factors we use each and every day, such as our computers and cell phones are extremely cancer leading to.

Now right here is one for you, why would makers place warning labels on the devices that they sell, as far as maintaining the device a minimum distance away from the body to minimize cell telephone radiation. Blackberry suggests to keep at least .98 inches away from the body. The IPhone Security Manual says to maintain the cellphone at least 15 millimeters away from the physique. The most radiation that is emitted by cell phones and computers is when they are attempting to connect to towers.

Also a moving mobile phone or mobile phone in an place with a weak signal, has to perform harder to connect thereby giving off much more radiation. So avoid making use of out of the way places when speaking on your cellphone like elevators, factories, apartment buildings and rural regions that have a weak signal thereby limiting your danger of greater exposure to cell phone radiation.

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