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Abstract Title:

Effects of exposure to GSM mobile phone base station signals on salivary cortisol, alpha-amylase, and immunoglobulin A.

Abstract Source:

Biomed Environ Sci. 2010 Jun ;23(3):199-207. PMID: 20708499

Abstract Author(s):

Christoph Augner, Gerhard W Hacker, Gerd Oberfeld, Matthias Florian, Wolfgang Hitzl, Jörg Hutter, Gernot Pauser

Article Affiliation:

Christoph Augner

Abstract:

OBJECTIVE: The present study aimed to test whether exposure to radiofrequency electromagnetic fields (RF-EMF) emitted by mobile phone base stations may have effects on salivary alpha-amylase, immunoglobulin A (IgA), and cortisol levels.

METHODS: Fifty seven participants were randomly allocated to one of three different experimental scenarios (22 participants to scenario 1, 26 to scenario 2, and 9 to scenario 3). Each participant went through five 50-minute exposure sessions. The main RF-EMF source was a GSM-900-MHz antenna located at the outer wall of the building. In scenarios 1 and 2, the first, third, and fifth sessions were"low"(median power flux density 5.2 microW/m(2)) exposure. The second session was"high"(2126.8 microW/m(2)), and the fourth session was"medium"(153.6 microW/m(2)) in scenario 1, and vice versa in scenario 2. Scenario 3 had four"low"exposure conditions, followed by a"high"exposure condition. Biomedical parameters were collected by saliva samples three times a session. Exposure levels were created by shielding curtains.

RESULTS: In scenario 3 from session 4 to session 5 (from"low"to"high"exposure), an increase of cortisol was detected, while in scenarios 1 and 2, a higher concentration of alpha-amylase related to the baseline was identified as compared to that in scenario 3. IgA concentration was not significantly related to the exposure.

CONCLUSIONS: RF-EMF in considerably lower field densities than ICNIRP-guidelines may influence certain psychobiological stress markers.

Study Type : Human Study
Additional Links
Anti Therapeutic Actions : Mobile Phone Radiation : CK(64) : AC(13)

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