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Smart Meters and Your Health – A Guide for Residents


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What are smart meters?

Smart meters measure your home’s use of electricity, natural gas, or water. The measurements are used to bill you for the services. In the past, information from the meters was read by employees of the utility who came to your house. Smart meters, on the other hand, automatically send usage information directly to the utility companies.


How do smart meters work?

Smart meters send information to their central systems using radiofrequency (RF) transmissions, based on the same technology that is used by cell phones, pagers, radios, and Wi-Fi. Concerns have been raised about the safety of smart meters, mainly because they create electromagnetic fields, which are considered a form of radiation.


What are electromagnetic fields?

Electromagnetic fields are a basic force of nature (like gravity), that are generated by electricity. They are found almost everywhere in nature where they are created by things such as lightning and static electricity. Human-made RF radiation from electromagnetic fields occurs wherever people use electricity, such as near power lines and electrical appliances.


How are people exposed to RF radiation from smart meters?

The amount of RF radiation people are exposed to from the smart meter depends on their distance from the meter antenna and the power of the RF signal. The amount of radiation given off by a smart meter is similar to that of a typical cell phone, cordless phone, or residential Wi-Fi router. Smart meters typically send and receive short messages about 1% of the time, so transmission does not occur continuously, as it does with cell phones and WiFi.  


Can smart meters cause cancer?

RF radiation is low-energy radiation, called non-ionizing radiation because it doesn’t have enough energy to remove ions from atoms. Non-ionizing radiation can causes atoms to vibrate, which creates heat but does not directly damage DNA. RF radiation is classified by the International Agency for Research on Cancer (IARC), as “possibly carcinogenic to humans.” This is based on the finding in at least one study of a possible link between cell phone use and a specific type of brain tumor.


Because RF radiation is a possible carcinogen, and smart meters give off RF radiation, it is possible that exposure to a smart meter could increase cancer risk. But to be exposed to an amount of radiation sufficient to increase your risk of cancer to any significant degree you would have to stand next to a meter that was continuously transmitting signals for several years! This is an unlikely scenario, which is why smart meters are considered safe. The likelihood of cancer is just too low.


Can smart meters cause any other health problems?

Smart meters have not been studied to see if they cause health problems. But studies of RF radiation emitted from other sources have shown that exposure to large amounts of RF radiation, such as during accidents involving radar, has resulted in severe burns. No other serious health problems have been reported.


Do smart meters interfere with electronic medical devices such as heart pacemakers?

A study that examined the effect of smart meters on pacemakers and implantable defibrillators found that the smart meters did not interfere with these devices.


What about health effects to children?

While is it true that children are more vulnerable to environmental exposures than adults, there is no evidence that children may be harmed by smart meters.


How do I reduce my exposure to RF radiation from smart meters?

Because low levels of RF radiation have not been clearly shown to cause health problems, lowering your exposure from smart meters will probably not make a difference to your health.




“What are Smart Meters?” American Cancer Society http://www.cancer.org/cancer/cancercauses/othercarcinogens/athome/smart-meters



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