Safety
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| needed to provide reliable proof |
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| of a cancer promoting effect if |
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| one exists. Epidemiological |
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| studies can provide data that is |
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| directly applicable to human |
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| populations, but ten or more |
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| years |
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| to provide answers about some |
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| health effects, such as cancer. |
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| This is because the interval |
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| between the time of exposure to |
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| a |
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| time tumors develop — if they |
Safety | do — may be many, many years. | |
The interpretation of | ||
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| epidemiological studies is |
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| hampered by difficulties in |
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| measuring actual RF exposure |
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| during |
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| phones. Many factors affect this |
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| measurement, such as the angle |
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| at which the phone is held, or |
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| which model of phone is used. |
6.What is the FDA doing to find out more about the possible health effects of wireless phone RF?
The FDA is working with the U.S. National Toxicology Program and with groups of investigators around the world to ensure that high priority animal studies are conducted to address important questions about the effects of exposure to Radio Frequency (RF) energy.
The FDA has been a leading participant in the World Health Organization International Electro Magnetic Fields (EMF) Project since its inception in 1996. An influential result of this work has been the development of a detailed agenda of research needs that has driven the establishment of new research programs around the world. The
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