Sounds bad!

 
Published: Monday 15 January 2001

According to tests announced recently by Britain's Consumers' Association, using a hands-free earpiece with a mobile phone may channel more microwave radiation into your head than holding the phone up to your ear. Earlier tests have found that hands-free kits cut the amount of radiation. But tests on five types of cellphones and 10 different hands-free earpiece kits showed that they could transmit up to three and a half times as much radiation to users' heads as the cellphone alone. But the tests also found there might be a cheap and simple solution. Fitting a small ring of an iron-based compound called ferrite to the headset wire eradicated the extra radiation ( New Scientist , November 11)

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