exposure. Other cancers that can result from exposure to ionizing radiation, sometimes decades after exposure, include cancers of the lung, skin, thyroid, brain, breast, and stomach. While cell phones are not associated with ionizing radiation, their long-term risks are unknown.
Cell Phone Use Patterns
_ Few individuals could afford the cost of a $4,000 cell phone when the first commercial cell phone service was activated in the United States in 1983. But by the end of 2010, 96 percent of the U.S. population—or
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