5G is safe
5G wireless is safe, according to a study. The adoption of 5G wireless technology raised concerns about the health effects of the associated electromagnetic exposure. The frequencies involved can only penetrate a few millimeters into human skin, so Vivian Meyer and colleagues studied the gene expression and methylation profiles of human skin cells exposed to 5G electromagnetic fields at different frequencies (27 GHz and 40.5 GHz), power flux densities (1 mW/cm2 and 10 mW/cm2) and exposure times (2h and 48h). Gene expression and DNA methylation remained statistically unchanged after 5G exposure, even at 10 times the recommended exposure limits. According to the authors, the quantum energies are far too low to have photochemical or even ionizing effects on cells. The authors controlled for temperature in their experiments; some previous studies that found effects of 5G failed to do so, and effects are likely to have been caused by heat alone. The authors hope their results will close the debate on the safety of 5G technology.
Journal
PNAS Nexus
Article Title
5G-exposed human skin cells do not respond with altered gene expression and methylation profiles
Article Publication Date
13-May-2025
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