>We haven't had this discussion in a while.  There's always the crowd who
>says "it is impossible for a cellphone to affect your body except by
>heating", the crowd who says "it'll give you cancer", and a few who say
>"we're not sure why there are effects, or what their significance is,
>but they do exist".  This article falls into that last camp.

>     ...Horne and his colleagues controlled a Nokia 6310e cell phone -
>     "another popular and basic phone" attached to the head of 10 healthy
>     but sleep-deprived men in their sleep research lab. (Their sleep had
>     been restricted to six hours the previous night.) The researchers then
>     monitored the men's brainwaves by EEG while the phone was switched on
>     and off by remote computer, and also switched between "standby,"
>     "listen" and "talk" modes of operation for 30 minute intervals on
>     different nights. The experiment revealed that after the phone was
>     switched to "talk" mode a different brain-wave pattern, called delta
>     waves (in the range of one to four Hertz), remained dampened for
>     nearly one hour after the phone was shut off...

>http://www.sciam.com/article.cfm?id=mind-control-by-cell