Do Cell Phones Cause Cancer?
After the World Health Organization classified cell phone radiation as "possibly carcinogenic" in 2011, the world got pretty paranoid. But studies since then have failed to prove a definite link between cell phone use and cancer. One study focused on around 360,000 people in Denmark, and found no increase in brain tumors that correlated with cell phone use. Perhaps more tellingly, brain tumors have not become more common in the U.S. since the advent of cell phones. Although there have been other studies that show a tenuous link between brain tumors and cell phone usage, they rely on testimonies from subjects who already have brain tumors. Some scientists believe that the subjects may have misreported the amount of time they spent on their cell phones, perhaps in an attempt to explain their condition.
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Key Facts In This Video
Approximately 91% of adults own a cellphone. 00:16
Cellphones use electromagnetic radiation in the microwave frequency range, at the lower end of the energy spectrum. 01:37
One study suggests that cellphone radiation could help protect against Alzheimer's. 02:21
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