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The SAR value<\/strong>, or “Specific Absorption Rate<\/strong>,” is a regulatory measurement of the intensity of electromagnetic radiation emitted by mobile phones. It quantifies the temperature increase in tissues due to energy absorption, expressed in watts per kilogram (W\/kg). It is worth noting that the term “TAS<\/strong>” (Taux d’Absorption Sp\u00e9cifique<\/strong>) is sometimes used as an alternative designation.<\/span><\/p>\n The measurement of SAR<\/strong> is based on modeling the human body as a homogeneous fluid, without taking into account its actual biological properties. The procedure involves immersing a probe into a container filled with a liquid that has electrical properties similar to biological tissues and measuring the temperature increase over a period of six minutes.<\/span><\/p>\n Although SAR<\/strong> is widely used as an indicator of exposure to electromagnetic waves, it has several limitations:<\/span><\/p>\n Counterintuitively, some studies suggest that a lower SAR<\/strong> value might be associated with increased biological toxicity. In fact:<\/span><\/p>\nHow Is the SAR Value Measured?<\/span><\/h2>\n
Why Is the SAR Value Insufficient?<\/span><\/h2>\n
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A Paradox of SAR: Lower Value = Higher Toxicity?<\/span><\/h2>\n
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