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Article Dans Une Revue Environment International Année : 2020

Estimated whole-brain and lobe-specific radiofrequency electromagnetic fields doses and brain volumes in preadolescents

Alba Cabré-Riera
  • Fonction : Auteur
Hanan El Marroun
  • Fonction : Auteur
Ryan Muetzel
  • Fonction : Auteur
  • PersonId : 890612
Luuk van Wel
  • Fonction : Auteur
Ilaria Liorni
  • Fonction : Auteur
Livia Pierotti
  • Fonction : Auteur
Anke Huss
  • Fonction : Auteur
Wout Joseph
Myles Capstick
  • Fonction : Auteur
Manon Hillegers
  • Fonction : Auteur
Roel Vermeulen
  • Fonction : Auteur
Elisabeth Cardis
  • Fonction : Auteur
Martine Vrijheid
Tonya White
  • Fonction : Auteur
Martin Röösli
  • Fonction : Auteur
Henning Tiemeier
Mònica Guxens
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  • PersonId : 1074257

Résumé

Objective: To assess the association between estimated whole-brain and lobe-specific radiofrequency electromagnetic fields (RF-EMF) doses, using an improved integrated RF-EMF exposure model, and brain volumes in preadolescents at 9-12 years old. Methods: Cross-sectional analysis in preadolescents aged 9-12 years from the Generation R Study, a population-based birth cohort set up in Rotterdam, The Netherlands (n = 2592). An integrated exposure model was used to estimate whole-brain and lobe-specific RF-EMF doses (mJ/kg/day) from different RF-EMF sources including mobile and Digital Enhanced Cordless Telecommunications (DECT) phone calls, other mobile phone uses than calling, tablet use, laptop use, and far-field sources. Whole-brain and lobe-specific RF-EMF doses were estimated for all RF-EMF sources together (i.e. overall) and for three groups of RF-EMF sources that lead to a different pattern of RF-EMF exposure. Information on brain volumes was extracted from magnetic resonance imaging scans. Results: Estimated overall whole-brain RF-EMF dose was 84.3 mJ/kg/day. The highest overall lobe-specific dose was estimated in the temporal lobe (307.1 mJ/kg/day). Whole-brain and lobe-specific RF-EMF doses from all RF-EMF sources together, from mobile and DECT phone calls, and from far-field sources were not associated with global, cortical, or subcortical brain volumes. However, a higher whole-brain RF-EMF dose from mobile phone use for internet browsing, e-mailing, and text messaging, tablet use, and laptop use while wirelessly connected to the internet was associated with a smaller caudate volume. Conclusions: Our results suggest that estimated whole-brain and lobe-specific RF-EMF doses were not related to brain volumes in preadolescents at 9-12 years old. Screen activities with mobile communication devices while https://doi. T wirelessly connected to the internet lead to low RF-EMF dose to the brain and our observed association may thus rather reflect effects of social or individual factors related to these specific uses of mobile communication devices. However, we cannot discard residual confounding, chance finding, or reverse causality. Further studies on mobile communication devices and their potential negative associations with brain development are warranted, regardless whether associations are due to RF-EMF exposure or to other factors related to their use.
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Dates et versions

hal-02887144 , version 1 (02-07-2020)

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Alba Cabré-Riera, Hanan El Marroun, Ryan Muetzel, Luuk van Wel, Ilaria Liorni, et al.. Estimated whole-brain and lobe-specific radiofrequency electromagnetic fields doses and brain volumes in preadolescents. Environment International, 2020, ⟨10.1016/j.envint.2020.105808⟩. ⟨hal-02887144⟩
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