Parents For Safe Technology

World Health Organization Scientists Speak

The World Health Organization

The World Health Organization has classified the wireless radiation from wifi devices  as a Class 2 B  Possible Human Carcinogen.
Read the International Agency for the Research Cancer Monograph on the Evaluation of Radio Frequency Radiation's Carcinogenic Risks to Humans here.  


The WHO has a 38 page "Research Agenda" Read it here


Q: Was the WHO referring to Cell phones only? 
A: No. The carcinogenic classification applies to radio frequency radiation, from any device, including cell towers. Read the letter from Dr. Baan here. 

A Sampling of Research

From these WHO Scientists

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E. Markova, L. Malmgren and I. Belyaev. Microwaves from mobile phones inhibit 53BP1 focus formation in human stem cells more strongly than in differentiated cells: possible mechanistic link to cancer risk, Environ Health Perspect 118: 394-399, 2010.I.Y.


Belyaev and Y.G. Grigoriev. Problems in assessment of risks from exposures to microwaves of mobile communication, Radiats Biol Radioecol 47(6): 727-732, 2007. I. Belyaev. Non-thermal biological effects of microwaves: Current knowledge, further perspective, and urgent needs, Electromagnetic Biology and Medicine 24(3): 375-403, 2005



Carlberg M, Hardell L. Decreased Survival of Glioma Patients with Astrocytoma Grade IV (Glioblastoma Multiforme) Associated with Long-Term Use of Mobile and Cordless Phones. International Journal of Environmental Research and Public Health. 2014; 11(10):10790-10805.

  • We analysed survival of 1678 glioma patients in our 1997–2003 and 2007–2009 case-control studies. Use of wireless phones in the >20 years latency group (time since first use) was correlated to decreased survival for  those diagnosed with astrocytoma grade IV .
  • "Due to the relationship with survival the classification of IARC is strengthened and RF-EMF should be regarded as human carcinogen requiring urgent revision of current exposure guidelines."



L. Hardell, M. Carlberg, Cell and cordless phone risk for glioma - Analysis of pooled case-control studies in Sweden, 1997-2003 and 2007-2009, Pathophysiology (2014), Available online 29 October 2014.

  • "Conclusion. We previously analysed the evidence on glioma associated with the use of  wireless phones using the Hill criteria [20]. We concluded that glioma and also acoustic neuroma are caused by RF-EMF emissions from wireless phones, and thus regarded as carcinogenic, under Group 1 according to the IARC classification, indicating that current guidelines for exposure should be urgently revised. This pooled analysis gives further support to that conclusion regarding glioma."


Hardell L, Carlberg M, Söderqvist F, Mild K.(2013). Case-control study of the association between malignant brain tumours diagnosed between 2007 and 2009 and mobile and cordless phone use. International Journal of Oncology 43(6), 1833-45.

  • For persons with more than 25 years latency period (time since first use until tumour diagnosis) a 3-fold increased risk was found. The risk increased further for tumours located in the most exposed area of the brain, the temporal lobe, to a 5-fold increased risk.
  • “This study confirmed previous results of an association between mobile and cordless phone use and malignant brain tumours. These findings provide support for the hypothesis that RF-EMFs play a role both in the initiation and promotion stages of carcinogenesis”.


Hardell L, Carlberg M, Hansson, Mild K. (2006). Pooled analysis of two case-control studies on the use of cellular and cordless telephones and the risk of benign brain tumours diagnosed during 1997-2003. International Journal of Oncology. 509-18.

  • In the multivariate analysis, a significantly increased risk of acoustic neuroma was found with the use of analogue phones.



Hardell L, Carlberg M, Söderqvist F, Mild KH.(2013). Pooled analysis of case-control studies on acoustic neuroma diagnosed 1997-2003 and 2007-2009 and use of mobile and cordless phones. Int J Oncol. 43(4), 1036-44.

  • “Ipsilateral use resulted in a higher risk than contralateral for both mobile and cordless phones. OR increased per 100 h cumulative use and per year of latency for mobile phones and cordless phones, though the increase was not statistically significant for cordless phones. The percentage tumour volume increased per year of latency and per 100 h of cumulative use, statistically significant for analogue phones. This study confirmed previous results demonstrating an association between mobile and cordless phone use and acoustic neuroma.”



Hardell L, Carlberg M, Hansson Mild K. (2011). Pooled analysis of case-control studies on malignant brain tumours and the use of mobile and cordless phones including living and deceased subjects. Int J Oncol. 38(5):1465-74.

  • An increased risk was found for glioma and use of mobile or cordless phone. The risk increased with latency time and cumulative use in hours and was highest in subjects with first use before the age of 20.



Hardell L, Carlberg M. (2013).  Using the Hill viewpoints from 1965 for evaluating strengths of evidence of the risk for brain tumors associated with use of mobile and cordless phones. Rev Environ Health. 28(2-3), 97-106.

  • “All nine issues on causation according to Hill were evaluated. The criteria on strength, consistency, specificity, temporality, and biologic gradient for evidence of increased risk for glioma and acoustic neuroma were fulfilled.
  • Based on the Hill criteria, glioma and acoustic neuroma should be considered to be caused by RF-EMF emissions from wireless phones and regarded as carcinogenic to humans, classifying it as group 1 according to the IARC classification. Current guidelines for exposure need to be urgently revised.”



Hardell L, Carlberg M, Hansson Mild K. (2013). Use of mobile phones and cordless phones is associated with increased risk for glioma and acoustic neuroma. Pathophysiology. 20(2):85-110.

  • “We give an overview of current epidemiological evidence for an increased risk for brain tumours including a meta-analysis of the Hardell group and Interphone results for mobile phone use. ..It is concluded that one should be careful using incidence data to dismiss results in analytical epidemiology. The IARC carcinogenic classification does not seem to have had any significant impact on governments' perceptions of their responsibilities to protect public health from this widespread source of radiation”.


Carlberg M, Hardell L. Decreased Survival of Glioma Patients with Astrocytoma Grade IV (Glioblastoma Multiforme) Associated with Long-Term Use of Mobile and Cordless Phones. International Journal of Environmental Research and Public Health. 2014; 11(10):10790-10805.

  • Survival was analyzed for 1678 glioma patients in Hardells1997–2003 and 2007–2009 case-control studies.  "Elevated HR (decreased survival) for the most malignant glioma type, astrocytoma grade IV, was found for long-term use of mobile and cordless phones.Highest HR was found for cases with first use before the age of 20 years. These results indicate a survival disadvantage for use of wireless phones in that patient group".


  • "The study strengthens the proposed causal association between use of mobile and cordless phones and glioma.  Due to the relationship with survival the classification of IARC is strengthened and RF-EMF should be regarded as human carcinogen requiring urgent revision of current exposure guidelines".

Common sense = Don't put a radiation in our children's environment when respected Doctors state that safety is 'not assured" and some say it is 100% proven carcinogen.

-Parents for Safe Technology

These Scientists state the risk has increased since 2011 when the radiation was classified as a class 2B carcinogen. They are World Health Organization/ International Agency for the Research on Cancer 2011 invited experts who participating in the 2011 EMF Working Group and Monograph preparations.


Safety is Not Assured


"The classification should be as a Group 1A Carcinogen."

World Health Organization Experts

Dr. Lennart Hardell

"Based on the Hill criteria, glioma and acoustic neuroma should be considered to be caused by RF-EMF emissions from wireless phones and regarded as carcinogenic to humans, classifying it as group 1 according to the IARC classification. Current guidelines for exposure need to be urgently revised."

Dr. Lennart Hardell is renowned cancer epidemiologist of the  Department of Oncology, University Hospital Örebro Sweden. In addition to his significant research, Dr. Hardell co-authored a Chapter in the The European Environment Agency Report “Late Lessons from Early Warnings, Volume II” 2013 Report detailing the accumulating science on radio frequency radiation, the significant  risks of waiting and critical need to take precautionary action to reduce exposures to avoid widespread harm. 


Listen to Dr Hardell discuss this issue in a vimeo HERE. 

See a list of his research publications at the end of this webpage. 


​Dr. Jonathan Samet

“The IARC 2B classification implies an assurance of safety that cannot be offered—a particular concern, given the prospect that most of the world’s population will have lifelong exposure to radiofrequency electromagnetic fields.”

- Dr. Jonathan Samet, physician and epidemiologist, Chair of the World Health Organization’s EMF Working Group 2011. This statement is from his 2014 Commentary calling for more research. Listen to Dr Samet discuss his findings in this vimeo.


Dr. Anthony Miller

“I am a strong advocate of the view that at this time the Precautionary Principle should be applied and that exposure to RFF should be reduced as far as possible, perhaps particularly with regard to exposure to children and in schools. The Royal Society panel has failed in it’s obligation to the public. It ignored recent evidence that wireless radiation is a probable carcinogen,”

- Dr. Anthony Miller, Professor Emeritus of the Dalla Lana School of Public Health in his review of the Canadian Royal Society’s 2014 Safety Code 6. In addition, Dr. Miller recently co-authored this peer reviewed paper.  Swedish review strengthens grounds for concluding that radiation from cellular and cordless phones is a probable human carcinogen. Pathophysiology. 20(2), 123-9.


Dr. Dariusz Leszczynski

"The evidence demonstrates that the ICNIRP safety standards are insufficient for the protection of the adult user... Based on the IARC 2011 classification of cell phone radiation as a possible human carcinogen, the authorities should implement the Precautionary Principle. The Time to Act is Now."

-Dr. Dariusz Leszczynski, International Agency for the Research on Cancer Invited Expert to Working Group on Non-Ionizing Radiation (RF fields). Lyon, France, May 2011 . He also gave expert testimony at the  US Senate hearing on “The Health Effects of Cell Phone Use”. Washington, DC, USA, September 14th, 2009. This quote is from  his 2014  article Wireless Communication and Precautionary Principle.


Dr. Igor Belyaev

"There are many publications showing health effects of radiofrequency radiations. Approximately half of all published papers show such effects. This apparent discrepancy can be accounted for various conditions of exposure, because non-thermal RF effects are critically dependent on various parameters and also biological variables."

Dr. Igor Belyaev is the Head Research Scientist at the Cancer Research Institute at the Slovak  Academy of Science in Bratislava, Slovakia. Dr. Belyaev was one of the thirty members of the IARC Working Group charged with  classifying the carcinogenicity of cell phone radiation, which produced the 2013 IARC Monograph.