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4/12/2005
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Study Finds No Link Between Cell Phones And Cancer

A new Denmark study published Tuesday found no correlation between cell phone use and the development of brain tumors.

A study published Tuesday in a medical journal found no connection between the use of cell phones and increased risk of brain tumors.

The study, conducted in Denmark, was published Tuesday by the American Academy of Neurology. The study interviewed 427 people with brain tumors and 822 without tumors, asking about their use of cell phones.

The study found no correlation between the development of brain tumors and how frequently mobile phones were used or how many years they were used for. Nor did the study find any evidence that brain tumors were more likely to occur on the side of the head most used with cell phones.

The findings are consistent with other studies, Dr. Christoffer Johansen of the Danish Cancer Society, said in a statement. Johansen was one of the study's authors.

"These results are in line with other large studies on this question, including a recently published large-scale, population-based study by the Swedish Interphone Study Group," Johansen said. "There have been a few studies that found an increased risk of brain tumors with cell phone use, but those studies have been criticized for problems with the study design."

A 2002 study, for instance, found some indication that long-time users of analog cell phones had a greater tendency to develop a specific type of tumor on the side of the head most often used for making calls.

Johansen cautioned that the new study covered very few people who regularly used cell phones for more than 10 years.

"In our study, few people reported regular cell phone use for 10 years or more," Johansen said. "We won't be able to make any firm conclusions until we can confirm these results with studies with more long-term and heavy cell phone users."

Despite the findings, using a hands-free system for cell phone use will eliminate any dangers, Johansen said.

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