Top Pro & Con Arguments


Numerous peer-reviewed studies have found no evidence that cell phone use causes an increased risk of brain tumors.

A May 21, 2021 study concluded, “Canadian trends in glioma [brain tumors] and cell phone use were not compatible with increased risks of glioma.” [104]

Other studies have similarly concluded that there is no association between cell phone use and the development of brain tumors. [1] [39] [41] [42] [45] [49] [50] [99]

Studies that conclude there is an association between cell phone use and cancer have serious limitations including small sample groups, inconsistent results, and the fact that most studies use rats, which are not humans. Further, some studies, including a now-retracted study published in 2020, have asserted a link between cell phones and cancer, but studied types of radiation not emitted by cell phones. [100] [101] [102]

Finally, an “association” is not proof of a causal link. As explained by an article in Nature Methods: “As an example, suppose we observe that people who daily drink more than 4 cups of coffee have a decreased chance of developing skin cancer. This does not necessarily mean that coffee confers resistance to cancer; one alternative explanation would be that people who drink a lot of coffee work indoors for long hours and thus have little exposure to the sun, a known risk.” [103]

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