A Report on Non-Ionizing Radiation

Naohito Yamaguchi: Microwave News Article Archive (2004 - )

December 1, 2010

Once Again, Cell Phones Linked to Tumors

The acoustic neuroma story is becoming quite compelling.

Researchers in Tokyo have reported that they too found more of these tumors of the acoustic nerve among long-term cell phone users —the third group to see this link. Those who used cell phones for more than 20 minutes a day for at least five years had three times more acoustic neuromas than expected. The Japanese team also saw a strong suggestion of a dose-response relationship: The longer people used cell phones —both in terms of minutes of daily calls and years of use— the greater their risk.

February 15, 2008

Japanese Discount Brain Tumor Risk

If anyone is still not convinced that the completed Interphone study should be released as soon as possible (see our January 30 post), they need look no further than how the Interphone results from Japan were handled last week.

November 29, 2006

Japan: No Increased Risk of Acoustic Neuroma

Japanese researchers do not see an increase in acoustic neuroma among users of mobile phones. In a paper appearing in the December issue of Occupational and Environmental Medicine, a team led by Naohito Yamaguchi of the Tokyo Women's Medical University reports that the "risk of acoustic neuroma did not increase with the duration of mobile phone use, nor with the total call time."