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Animal carcinogenicity studies on radiofrequency fields related to mobile phones and base stations

: Dasenbrock, C.


Toxicology and Applied Pharmacology 207 (2005), Nr.2, Supplement 1, S.342-346
ISSN: 0041-008X
International Congress of Toxicology <10, 2004, Tampere>
Zeitschriftenaufsatz, Konferenzbeitrag
Fraunhofer ITEM ()
radiofrequency; animal study

Since a report in 1997 on an increased lymphoma incidence in mice chronically exposed to a mobile phone radiofrequency signal, none of the subsequent long-term studies in rodents have confirmed these results. On the other hand, several of the follow-up co- and carcinogenicity studies are still underway or are presently being initiated. Most of the published long-term studies used 1 exposure level only and suffer from a poor dosimetry which does not consider the animal's growth. Additional points of criticism are a limited, in some cases, questionable histopathology and inadequate group sizes. Overall, if dealing with new chemicals or drugs, these studies would not be acceptable for registration with the responsible authorities. The major critical points are taken into consideration within the European co- and carcinogenicity projects (CEMFEC and PERFORM-A), which are in their final stages and in the US long-term studies in mice and rats which are about to be initiated. Nevertheless, the WHO evaluation for health risk assessment of long-term telephone use and base station exposure will start in late 2005.