%0 Journal Article %A García Fernández, Miguel Ángel %A Valenzuela Valdés, Juan Francisco %A Sánchez Hernández, David Agapito %T Human Head Natural Protection Against Electromagnetic Fields %D 2010 %@ 2171-2042 %U http://hdl.handle.net/10317/2454 %X In this paper we provide concluding evidence that the human skull acts as a dynamic barrier to electromagnetic fields (EMF) and temperature flow at 1800 MHz. This natural helmet e®ectively and dynamically protects brain tissue against safety-de¯ned threshold temperature increase due to external EMF induction. A half-wavelength dipole antenna has been employed as the EMF source. The human head is modelled by several coronal planes extracted from the Visible Human Project. Results described here have a great importance should thermal e®ects be directly used to derive basic restrictions to EM fields safety limits for human exposure. %K Biological efects of electromagnetic radiation %K Dosimetry %K Occupational health and safety %K Specific absorption rate (SAR) %K Temperature %~ GOEDOC, SUB GOETTINGEN