There’s been a lot of talk lately about cell phones’ SAR values, which is simply a measure of the power of your cell phone and its potential for heating your tissues.
Values vary from one model to the next, starting around 0.2 watts, but the maximum allowable SAR rate is 1.6 watts per kilogram for phones sold in the United States. This guideline is based on the exposure from a six-minute phone call.
Although knowing your phone’s SAR value is a good first step, it is by no means an absolute measure of safety.
As Camilla Rees, founder of ElectromagneticHealth.org explains:
“The cell phone SAR value does not accurately reflect the potential for biological harm from the frequencies of the communication, and, very importantly, there are also some biological effects that have been shown to be worse at lower SAR values compared to higher SAR values, such as blood-brain barrier permeability.”
So it’s important to realize that you simply cannot rely on the SAR value alone when gauging cell phone safety. Rather, know that safety is dependent on how you use your cell phone.
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