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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Söderqvist, Fredrik Hardell, Lennart Carlberg, Michael |
| Spatial Coverage | Sweden |
| Description | Country affiliation: Sweden Author Affiliation: Söderqvist F ( School of Health and Medical Sciences, Orebro University and Department of Oncology, University Hospital, SE-701 85 Orebro, Sweden. fredrik.soderqvist@orebroll.se) |
| Abstract | BACKGROUND: Since the late 1970s, experimental animal studies have been carried out on the possible effects of low-intensive radiofrequency fields on the blood-brain barrier (BBB), but no epidemiological study has been published to date. OBJECTIVE: Using serum S100B as a putative marker of BBB dysfunction we performed a descriptive cross-sectional study to investigate whether protein levels were higher among frequent than non-frequent users of mobile and cordless desktop phones. METHOD: One thousand subjects, 500 of each sex aged 18-65 years, were randomly recruited using the population registry. Data on wireless phone use were assessed by a postal questionnaire and blood samples were analyzed for S100B. RESULTS: The response rate was 31.4%. The results from logistic and linear regression analyses were statistically insignificant, with one exception: the linear regression analysis of latency for UMTS use, which after stratifying on gender remained significant only for men (p = 0.01; n = 31). A low p-value (0.052) was obtained for use of cordless phone (n = 98) prior to giving the blood samples indicating a weak negative association. Total use of mobile and cordless phones over time yielded odds ratio (OR) 0.8 and 95% confidence interval (CI) 0.3-2.0 and use on the same day as giving blood yielded OR=1.1, CI=0.4-2.8. CONCLUSIONS: This study failed to show that long- or short-term use of wireless telephones was associated with elevated levels of serum S100B as a marker of BBB integrity. The finding regarding latency of UMTS use may be interesting but it is based on small numbers. Generally, S100B levels were low and to determine whether this association - if causal - is clinically relevant, larger studies with sufficient follow-up are needed. |
| ISSN | 00489697 |
| Issue Number | 2 |
| Volume Number | 407 |
| e-ISSN | 18791026 |
| Journal | Science of The Total Environment |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2009-01-01 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Cell Phones Statistics & Numerical Data Radio Waves Adverse Effects S100 Proteins Blood Adult Aged Biological Markers Blood-brain Barrier Physiology Utilization Cross-sectional Studies Female Health Humans Male Middle Aged Odds Ratio Risk Assessment Questionnaires Sweden Epidemiology Time Factors Journal Article Research Support, Non-u.s. Gov't Discipline Environmental Science |
| Content Type | Text |
| Resource Type | Article |
| Subject | Environmental Chemistry Waste Management and Disposal Pollution Environmental Engineering |
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