Browsing by Author "Mattsson, Mats-Olof"
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- ItemMobile telephones and cancer--a review of epidemiological evidence.(2004-09-16) Kundi, Michael; Mild, Kjell; Hardell, Lennart; Mattsson, Mats-OlofThere is considerable public concern about possible long term adverse health effects of mobile phones While there is scientific controversy about long term health effects of high frequency electromagnetic fields lasting for at least 50 yr the rise and success of mobile telecommunication made it necessary to investigate the problem more comprehensively and assess the possible risk cautiously because never before in history has a substantial proportion of the population been exposed to microwaves in the near field and at comparably high levels Because the mostly localized exposure target region is the head most epidemiological studies focus on brain tumors Overall nine epidemiological studies have been published four from the United States two from Sweden and one each from Denmark Finland and Germany Seven studies were mainly on brain tumors with one investigating in addition to brain tumors salivary gland cancer and another cancer of the hematopoietic and lymphatic tissues and one examining intraocular melanoma All studies have some methodological deficiencies 1 too short duration of mobile phone use to be helpful in risk assessment 2 exposure was not rigorously determined and 3 there is a possibility of recall and response error in some studies Nevertheless all studies approaching reasonable latencies found an increased cancer risk associated with mobile phone use Estimates of relative risk in these studies vary between 1 3 and 4 6 with highest overall risk for acoustic neuroma 3 5 and uveal melanoma 4 2 and there is evidence for enhanced cancer risk with increasing latency and duration of mobile phone use
- ItemMobile telephones and cancer: is there really no evidence of an association? (review).(2003-06-06) Hansson Mild, Kjell; Hardell, Lennart; Kundi, Michael; Mattsson, Mats-OlofTwo Swedish epidemiological studies have shown an association between the use of mobile telephones mainly of the analogue type and brain tumours These findings have been corroborated in a Finnish study Supportive evidence has also come from studies in USA but these investigations as well as a Danish study are inconclusive due to e g few exposed subjects short latency periods and methodological shortcomings The Swedish Radiation Protection Authority SSI engaged two epidemiologists from a private company to conduct a review of the literature They claimed that use of mobile telephones is not associated with increased risk for brain tumours Their conclusion was however based on an unbalanced view of current literature in favour of studies showing no association These circumstances are further explored in this communication