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Published on: July 30, 2016
Does evening exposure to mobile phone radiation affect subsequent melatonin production?
Andrew W Wood1, Sarah P Loughran, Con Stough
1Brain Sciences Institute, Swinburne University of Technology, Hawthorn, Victoria, Australia. awood@swin.edu.au
Mobile phone emissions before sleep do not alter total melatonin secretion. However, exposure may affect the timing of melatonin release, with some individuals showing distinct responses.
Area of Science:
- Environmental Health
- Endocrinology
- Sleep Science
Background:
- Growing use of digital mobile phones raises concerns about potential health effects.
- Melatonin, a key hormone regulating sleep, may be influenced by electromagnetic field exposure.
Purpose of the Study:
- To investigate the impact of digital mobile phone handset emissions on melatonin secretion prior to sleep.
Main Methods:
- A double-blind, cross-over study involving 55 adult volunteers.
- Participants were exposed to active or sham mobile phone emissions for 30 minutes before bedtime.
- Melatonin output was measured using urinary 6-sulphatoxymelatonin (aMT6s) concentrations.
Main Results:
- Total nighttime melatonin metabolite output remained unchanged between active and sham exposure.
- Pre-bedtime melatonin metabolite levels showed a trend towards reduction with active exposure.
- A significant decrease in the ratio of aMT6s to creatinine was observed before bedtime during active exposure.
Conclusions:
- Mobile phone emissions do not significantly alter total nocturnal melatonin production.
- There is a potential effect on the timing of melatonin secretion, suggesting a possible impact on sleep onset.
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