28
Apr
2008

Are Cell Phones and Wireless Networks Hazardous?

//groups.google.com/group/mobilfunk_newsletter/t/7955a64e66b61ad7

RNCNIRP-Stellungnahme zu möglichen Einflüssen elektromagnetischer Felder von Mobilfunkgeräten auf Kinder und Jugendliche

//groups.google.de/group/mobilfunk_newsletter/t/cba5d38e13259a5a

Kinder und Mobilfunk
//omega.twoday.net/stories/311977/

Kandy Mobile: Handy speziell für Kids
//freepage.twoday.net/stories/3774311/



//omega.twoday.net/search?q=Kinder
//omega.twoday.net/search?q=RNCNIRP
//omega.twoday.net/search?q=Grigoriev

Ärztekammer für Wien: 10 medizinische Handy-Regeln neu aufgelegt

//tinyurl.com/5sxk7k



Ärztekammern und Mobilfunk
//omega.twoday.net/stories/1104181/

Ärzte und Mobilfunk
//omega.twoday.net/stories/408385/

Ärzteappelle gegen Mobilfunk
//omega.twoday.net/stories/1064751/

Radiofrequency electromagnetic fields; male infertility and sex ratio of offspring

1: Eur J Epidemiol. 2008 Apr 16 [Epub ahead of print]

Baste V, Riise T, Moen BE.

Department of Public Health and Primary Health Care, Section for Occupational Medicine, UNIFOB AS, University of Bergen, Kalfarveien 31, 5018, Bergen, Norway, valborg.baste @isf.uib.no.

Concern is growing about exposure to electromagnetic fields and male reproductive health. The authors performed a cross-sectional study among military men employed in the Royal Norwegian Navy, including information about work close to equipment emitting radiofrequency electromagnetic fields, one-year infertility, children and sex of the offspring. Among 10,497 respondents, 22% had worked close to high-frequency aerials to a "high" or "very high" degree. Infertility increased significantly along with increasing self-reported exposure to radiofrequency electromagnetic fields. In a logistic regression, odds ratio (OR) for infertility among those who had worked closer than 10 m from high-frequency aerials to a "very high" degree relative to those who reported no work near high-frequency aerials was 1.86 (95% confidence interval (CI): 1.46-2.37), adjusted for age, smoking habits, alcohol consumption and exposure to organic solvents, welding and lead. Similar adjusted OR for those exposed to a "high", "some" and "low" degree were 1.93 (95% CI: 1.55-2.40), 1.52 (95% CI: 1.25-1.84), and 1.39 (95% CI: 1.15-1.68), respectively. In all age groups there were significant linear trends with higher prevalence of involuntary childlessness with higher self-reported exposure to radiofrequency fields. However, the degree of exposure to radiofrequency radiation and the number of children were not associated. For self-reported exposure both to high-frequency aerials and communication equipment there were significant linear trends with lower ratio of boys to girls at birth when the father reported a higher degree of radiofrequency electromagnetic exposure.

PMID: 18415687 [PubMed - as supplied by publisher]

//www.ncbi.nlm.nih.gov/pubmed/18415687?dopt=Abstract



//omega.twoday.net/search?q=radiofrequency
//omega.twoday.net/search?q=electromagnetic
//omega.twoday.net/search?q=male+infertility
//omega.twoday.net/search?q=reproductive

Effect of a chronic GSM 900MHz exposure on glia in the rat brain

1: Biomed Pharmacother. 2008 Mar 26 [Epub ahead of print]

Ammari M, Brillaud E, Gamez C, Lecomte A, Sakly M, Abdelmelek H, de Seze R.

Unité de Toxicologie Expérimentale, INERIS, Parc technologique ALATA, BP2, 60550 Verneuil-en-Halatte, France; Laboratoire de Physiologie Intégrée, Faculté des Sciences de Bizerte, 7021 Zarzouna, Tunisia.

Extension of the mobile phone technology raises concern about the health effects of 900MHz microwaves on the central nervous system (CNS). In this study we measured GFAP expression using immunocytochemistry method, to evaluate glial evolution 10 days after a chronic exposure (5 days a week for 24 weeks) to GSM signal for 45min/day at a brain-averaged specific absorption rate (SAR)=1.5W/kg and for 15min/day at a SAR=6W/kg in the following rat brain areas: prefrontal cortex (PfCx), caudate putamen (Cpu), lateral globus pallidus of striatum (LGP), dentate gyrus of hippocampus (DG) and cerebellum cortex (CCx). In comparison to sham or cage control animals, rats exposed to chronic GSM signal at 6W/kg have increased GFAP stained surface areas in the brain (p<0.05). But the chronic exposure to GSM at 1.5W/kg did not increase GFAP expression. Our results indicated that chronic exposure to GSM 900MHz microwaves (SAR=6W/kg) may induce persistent astroglia activation in the rat brain (sign of a potential gliosis).

PMID: 18424058 [PubMed - as supplied by publisher]

//www.ncbi.nlm.nih.gov/pubmed/18424058?dopt=AbstractPlus



//omega.twoday.net/search?q=900MHz
//omega.twoday.net/search?q=microwaves
//omega.twoday.net/search?q=GSM+signal
//omega.twoday.net/search?q=central+nervous+system
//omega.twoday.net/search?q=astroglia
//omega.twoday.net/search?q=glia
//omega.twoday.net/search?q=de+Seze

Meta-analysis of long-term mobile phone use and the association with brain tumours

1: Int J Oncol. 2008 May;32(5):1097-103

Hardell L, Carlberg M, Söderqvist F, Hansson Mild K.

Department of Oncology, University Hospital, SE-701 85 Orebro, Sweden. lennart.hardell @orebroll.se.

We evaluated long-term use of mobile phones and the risk for brain tumours in case-control studies published so far on this issue. We identified ten studies on glioma and meta-analysis yielded OR = 0.9, 95% CI = 0.8-1.1. Latency period of >/=10-years gave OR = 1.2, 95% CI = 0.8-1.9 based on six studies, for ipsilateral use (same side as tumour) OR = 2.0, 95% CI = 1.2-3.4 (four studies), but contralateral use did not increase the risk significantly, OR = 1.1, 95% CI = 0.6-2.0. Meta-analysis of nine studies on acoustic neuroma gave OR = 0.9, 95% CI = 0.7-1.1 increasing to OR = 1.3, 95% CI = 0.6-2.8 using >/=10-years latency period (four studies). Ipsilateral use gave OR = 2.4, 95% CI = 1.1-5.3 and contra-lateral OR = 1.2, 95% CI = 0.7-2.2 in the >/=10-years latency period group (three studies). Seven studies gave results for meningioma yielding overall OR = 0.8, 95% CI = 0.7-0.99. Using >/=10-years latency period OR = 1.3, 95% CI = 0.9-1.8 was calculated (four studies) increasing to OR = 1.7, 95% CI = 0.99-3.1 for ipsilateral use and OR = 1.0, 95% CI = 0.3-3.1 for contralateral use (two studies). We conclude that this meta-analysis gave a consistent pattern of an association between mobile phone use and ipsilateral glioma and acoustic neuroma using >/=10-years latency period.

PMID: 18425337 [PubMed - in process]

//tinyurl.com/5ofrre



//omega.twoday.net/search?q=brain+tumours
//omega.twoday.net/search?q=ipsilateral+glioma
//omega.twoday.net/search?q=acoustic+neuroma
//omega.twoday.net/search?q=Hardell
//omega.twoday.net/search?q=Söderqvist
//omega.twoday.net/search?q=Hansson+Mild
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