Study Finds No Association Between Cell Phones & Cancer

A large new study finds no link between long-term use of mobile phones and brain or central nervous system cancer. The research appears on In what is described as the largest study on the subject to date, Danish researchers found no evidence that the risk of brain tumors was raised among more than 350,000 mobile phone subscribers over an 18-year period.

We asked Elizabeth Ward, PhD, National Vice President, Intramural Research, to comment on the study.

“This large Danish study of mobile phone subscribers adds  to the body of evidence regarding cell phone use and brain cancer.  The study found no increased risk of central nervous system tumors among mobile phone subscribers compared to the general population. The strengths of this study include its large size (358,403 telephone subscribers), ascertainment of cell phone “exposure” from mobile phone subscription records rather than participant recall and ascertainment of brain tumor cases from a very complete national cancer registry.  The most significant weakness of the study is that subscription to a mobile telephone does not necessary indicate exposure (for example, one family member may subscribe to a cell phone that other family members use) and there is no data on frequency or duration of use.  Other limitations of the study include a maximum duration of exposure it fifteen years, does not address potential effects among children, and did not address parotid gland tumors which have been suggested as caused by cell phones.

“The authors of the study acknowledge that miss classification of exposure may have biased their study towards a negative finding, but conclude that the results can be used to rule out moderate to large risks associated with mobile phone use.

“The bottom line is that, at this point, there is not strong evidence for an association between cell phone use and cancer in humans.  This study will not quell all concerns about this issue.  However, those who are concerned about this electromagnetic field exposure  can reduce it by using  earpieces.  In addition, it is important for the public to be aware that the primary documented risk of cell phones continues to be their association with vehicle accidents. “

For more information, please see Cellular Phones on

About David Sampson

I am the director of medical and scientific communications for the American Cancer Society national home office.
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5 Responses to Study Finds No Association Between Cell Phones & Cancer

  1. Not buying that. I got tonsil cancer on the same side as my heavy cell phone use. I did not fit the profile. Never smoked, or drank alcohol. I gave up my cell phone, microwave, and all dental xrays. Also there is an increase in tonsil cancer among children. ENT’s are studying this. Probably funded by AT & T You know the world would stop revolving, companies would shut down without a cell phone.

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  3. estebanbol1 says:

    I’m really sorry to read about your problem Candy. I do think myself that it’s rather better to get protected from cell phone radiation anyway. I like feeling safer.

  4. ebol2 says:

    Cell phone radiation is a reality and if service providers and cell phone companies are not going to do anything about it, because the diverse interests on that business, then we have to seek other ways to protect us, and our loved ones, right?

  5. Recently a case with a 20 something young woman, got cancerous tumor exactly in the spot she would place her cell phone inside her bra. Who in their right mind would put the cell phone in their bra. Or next to their ear, or on their hip. Use speaker please and store cell phone off body.

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