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INTERPHONE-Studie findet kein erhöhtes Hirntumorrisiko durch Handynutzung – BfS rät weiterhin zur Vorsorge
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Am 18. Mai 2010 wurden erste zusammengefasste Ergebnisse aus der INTERPHONE-Studie über möglichen Langzeitfolgen der Mobilfunknutzung veröffentlicht. Der Auswertung zufolge konnte kein erhöhtes Risiko von Hirntumoren durch Handynutzung nachgewiesen werden. Die nun vorliegende Studie kann jedoch nicht alle offenen Fragen hinsichtlich der Langzeitnutzung des Mobilfunks beantworten. Das BfS sieht daher – wie auch die Autoren der INTERPHONE-Studie – für die Langzeitnutzung und für mögliche Auswirkungen auf Kinder weiterhin Forschungsbedarf und empfiehlt als Vorsorgemaßnahme, die individuelle Strahlenbelastung so gering wie möglich zu halten.
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Can safety limits be exceeded if several persons use mobile phones in a railway compartment?
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In a publication in a Japanese scientific journal it is stated that internationally recommended limit values can be exceeded if in a railway compartment several persons use a mobile phone. The Federal Office for Radiation Protection transferred the study to the German setting and evaluated it. It can be stated that the assumptions made by the author are not realistic especially in terms of neglecting attenuation of radio waves by objects and subjects within the passenger compartment. With realistic assumptions a violation of safety values seems extremely unlikely (full text in German only).
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Einstufung hochfrequenter elektromagnetischer Felder durch die IARC
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Die Internationale Krebsforschungsagentur (IARC) der Weltgesundheitsorganisation hat hochfrequente elektromagnetische Felder am 31.5.2011 in Gruppe 2B der IARC-Skala eingestuft. Diese Einordnung bedeutet, dass es nach Einschätzung der IARC nach dem gegenwärtigen Kenntnisstand begrenzte Hinweise auf eine krebserregende Wirkung dieser Felder auf den Menschen gibt. Diese stammen aus epidemiologischen Beobachtungen, können aber nur unzureichend beziehungsweise nicht durch experimentelle Befunde gestützt werden. Das Bundesamt für Strahlenschutz ist im Rahmen seines Deutschen Mobilfunk Forschungsprogramms solchen Hinweisen nachgegangen. Auch in diesem Programm konnten die Hinweise nicht bestätigt werden. Das Bundesamt für Strahlenschutz kann mögliche Langzeitwirkungen und Wirkungen auf Kinder ebenfalls nicht ausschließen. Daher empfiehlt es, die eigene Strahlenbelastung vorsorglich so gering wie möglich zu halten, und hält weitere Forschungen auf diesem Gebiet für erforderlich. Das BfS ist eines von fünf internationalen wissenschaftlichen Kooperationszentren der WHO, das unter anderem für den Mobilfunk zuständig ist, und wird sich in dieser Funktion dafür einsetzen, dass die Frage nach gesundheitlichen Auswirkungen durch den Mobilfunk auch weiterhin mit Nachdruck verfolgt wird.
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New radio frequencies for mobile communication: Health evaluation
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In summer 2010, the public sale of additional frequencies for
new mobile communication technologies by the Federal Network Agency was completed. The Federal Network Agency’s terms of a licence do not specify a certain technology. To use the frequencies most efficiently and to achieve quick internet access with a data transfer rate as high as possible, also the new mobile communication standard “LTE” (abbreviation of “Long-Term Evolution”) will probably be used.
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Statement on the topic "Influence of Mobile Phone Use on Male Fertility"
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There is a controversial discussion whether mobile phone use does influence male fertility. Davoudi et al. (2002) were the first to report that the frequent use of a GSM mobile phone reduces the motility of sperms, taking as an example a group of 13 healthy men. Further examinations of male volunteers and animals followed. BfS summarises the results and evaluates them (full text in German only).
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Federal Office for Radiation Protection: Special Mobile Phones for Children are not Appropriate
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The Federal Office for Radiation Protection (BfS) has demanded for years that especially low radiation mobile phones with an SAR value below 0.6 Watt per Kilogramme should be awarded with the eco-label “Blue Angel”. So far manufacturers have declined this. However, BfS criticises that with this first awarding of the "Blue Angel", a mobile phone has been awarded which explicitly addresses the target group of children and whose SAR value is just below 0.6 Watt per Kilogram (full text in German only).
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Comments to the Article: "Prenatal and Postnatal Exposure to Cell Phone Use and Behavioral Problems in Children"
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Possible associations between prenatal and postnatal exposure to cell phones and behavioural problems in young children were examined by means of survey information. 13,159 Mothers who were recruited to the Danish National Birth Cohort in early pregnancy submitted questionnaires in 2005 and 2006 on both the current health and behavioural status of their children when they reached 7 years of age and on past cell phone usage. It was found that exposure to cell phones prenatally and, to a lesser extend, postnatally was associated with behavioural difficulties such as emotional and hyperactivity problems occurring at the age of school entry. The observed associations may be non-causal and may be due to unmeasured confounding facto (full text in German only).
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Danish Cohort Study on Mobile Phones and Cancer
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In Denmark a cohort study relating to the possible risk of cancer from the use of mobile phones was conducted. 420,095 Danish persons whose first mobile phone subscription was between 1982 and 1995 were followed through 2002 for cancer incidence. The observed number of cancers in the cohort was compared with those expected in the Danish population. There was no evidence for an increased tumour risk due to cellular telephone use among either short-term or long-term users. Potential limitations of this study concern exposure-misclassification due to the use of subscriber data only and the exclusion of occupational users. Overall results are quite consistent to those of other published studies, at least for short-term users. Still unclear is the situation for long-term users. Due to biases and errors the results of the so called INTERPHONE study, the largest study on the risk of brain tumours in relation to mobile phone use conducted to date, cannot be interpreted causally regarding intensive and long-term usage of mobile phones (full text in German only).
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