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| Welcome to Cell Phone Safety 101 |
This site exists to answer some common questions about the alleged safety hazard that comes with cell phone usage, as well as to educate on radiofrequency energy, the energy cell phones emit, and the legitimacy of cell phone "shields."
Here are some of the more common questions:
- Are cell phones dangerous?
- Do cell phone shields work?
- Is it safe to use cell phones on aircrafts?
Useful Resources...
Do wireless phones pose a health hazard?
The available scientific evidence does not show that any health problems are associated with using wireless phones. There is no proof, however, that wireless phones are absolutely safe.
Wireless phones emit low levels of radiofrequency energy (RF) in the microwave range while being used. They also emit very low levels of RF when in the stand-by mode. Whereas high levels of RF can produce health effects (by heating tissue), exposure to low level RF that does not produce heating effects causes no known adverse health effects.
Many studies of low level RF exposures have not found any biological effects. Some studies have suggested that some biological effects may occur, but such findings have not been confirmed by additional research. In some cases, other researchers have had difficulty in reproducing those studies, or in determining the reasons for inconsistent results.
Do wireless phone accessories that claim to shield the head from RF radiation work?
Since there are no known risks from exposure to RF emissions from wireless phones, there is no reason to believe that accessories that claim to shield the head from those emissions reduce risks. Some products that claim to shield the user from RF absorption use special phone cases, while others involve nothing more than a metallic accessory attached to the phone. Studies have shown that these products generally do not work as advertised. Unlike "hand-free" kits, these so-called "shields" may interfere with proper operation of the phone. The phone may be forced to boost its power to compensate, leading to an increase in RF absorption. In February 2002, the Federal trade Commission (FTC) charged two companies that sold devices that claimed to protect wireless phone users from radiation with making false and unsubstantiated claims. According to FTC, these defendants lacked a reasonable basis to substantiate their claim.
Is it safe to use cell phones on aircrafts?
The worry that cell phones might crash airplanes is still somewhat speculative. Airlines ask passengers to turn their cell phones off because of concerns that they might interfere with airplane controls. There have been some suggestions that the Crossair plane crash, in which all ten passengers were killed, was caused in this way, but little hard evidence. All the same, given the possible risks the airlines’ precautions seem wise. For the sake of your fellow passengers, and for your own peace of mind, turn your cell phone off during flights. |
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