Last updated on: 2/23/2010 | Author:

Dariusz Leszczynski, PhD, DSc Biography

Research Professor at the Radiation and Nuclear Safety Authority (Finland)
NC to the question "Is Cell Phone Radiation Safe?"

“When evaluating the possible health effects of mobile phone radiation, as with any other environmental factor, no matter naturally occurring or man-made, there are needed several types of scientific evidence such as (i) the possible mechanism how the effect is induced in living organism, (ii) in vitro laboratory studies that confirm the existence of the biophysical and biochemical mechanism of the effect, (iii) animal studies, including long term effects and toxicology, (iv) human volunteer studies, and (v) epidemiological evidence of the effect on human population at large…

In case of the electromagnetic radiation emitted by the mobile phones the scientific evidence is contradictory. In each area of investigation (epidemiology, human volunteers, animal studies, laboratory in vitro experiments and biophysical mechanisms) there are both positive and negative studies and by the sheer numbers, the negative studies outweigh the positive ones. This is commonly referred as the ‘weight of the evidence’ that is pointing out to the no-effect-conclusion because the outcome of the majority of published research studies is negative…

In my opinion epidemiological evidence is not sufficiently reliable to conclude that human health either is or is not at risk. I think that at this time any statement suggesting that there ‘is a health risk’ or that there ‘is no health risk’, based on the epidemiological evidence, is premature and not reliably supported by the available scientific evidence. However, even though the data are of insufficient quality to draw reliable conclusions, the existence of data suggesting the possibility of increased risk of brain cancer is, in my opinion, sufficient to advice precaution and to request further research to clarify this issue…

The purpose is not to discourage people from using the mobile phone technology. However, we should remember that we have still remaining large gaps in the knowledge of the mobile phone radiation effects on humans. We urgently need well designed comprehensive molecular level human volunteer studies to close these gaps in the knowledge. In the meantime, it is wise to support the use of precautionary measures in every day dealings with mobile phones in order to, whenever reasonably possible, limit the body exposure to mobile phone radiation.”

US Senate Committee on Appropriations Subcommittee on Labor, Health and Human Services, and Education hearing on the “Health Effects of Cell Phone Use,”, Sep. 14, 2009

Involvement and Affiliations:
  • Research Professor, Radiation and Nuclear Safety Authority (Finland)
  • Guangbiao Professor, Zhejiang University (Hangzhou, China)
  • Adjunct Professor, University of Helsinki
  • Steering Committee member, Swiss National Science Foundation program on non-ionizing radiation
  • Associate Editor, Bioelectromagnetics
  • Board member, Bioelectromagnetics Society, 2006-2009
  • Visiting Assistant Professor, Harvard University, 1997-1999
  • Visiting Scientist, Georgetown University, 1990-1991
  • Education:
  • PhD, Helsinki University (Finland), 1990
  • DSc, Jagiellonian University (Krakow, Poland), 1983
  • MSc, Jagiellonian University, 1978
  • Other:
  • None found