I especially found the report that the blood-brain-barrier may be
effected by celluar phones interesting. A report that stress also
reduces the blood-brain-barrier increase risk for diseases seems to
me to be related to your headache report. Ron Blue
On Wed, 12 Feb 1997, Allan Frey wrote:
> On Friday, February 7th, there was a Bioelectromagnetic Society Workshop
> in Rockville, MD. (outside Washington, DC.) entitled "Physical
> characteristics and possible biological effects of microwaves applied in
> wireless communication". I was one of the speakers. I presented a paper
> entitled "Headaches from cell phones: are they real?" Following is a
> summary of my talk.
>> Headaches from cell phones: are they real?
> Allan H. Frey
> Randomline, Inc.
> Potomac, MD.
>afrey at uu.net>> I stated that I believe that the reported headaches from cell phone
> usage is a real phenomena. I presented several lines of evidence that
> supports this conclusion.
>> First, I noted that there are numerous reports of headaches and that a
> recent survey indicated that digital phones are implicated more than
> analog phones.
>> I noted the transmitting frequencies of the various cell phone systems,
> their power outputs and their modulation characteristics. I showed that
> these are characteristics that were found many years ago to be in the
> optimal band for producing various effects in the head.
>> I reviewed the data on the microwave hearing effect that I discovered
> and reported on in the 1960's, an effect that is optimal at what is now
> the cell phone frequencies. I pointed out that during the microwave
> hearing research my human subjects reported that they were getting
> headaches. I also found that I was getting headaches when I was in the
> em field; and I don't get headaches. I explored the headache phenomena
> to determine if it was real. I then reported the occurrence of headaches
> at various meetings and in a published paper in the 1960's. The
> headache finding led me to decide to no longer use human subjects for
> microwave hearing research.
>> A second line of evidence that I discussed was a series of
> blood-brain-barrier experiments that I started and reported on in the
> 1970's. The blood-brain-barrier is a critical regulatory interface that
> controls what gets into the brain from the blood. I found, and others
> subsequently found, that em energy with characteristics similar to
> present day cell phone emissions resulted in the breakdown of the
> blood-brain-barrier. Recent headache research indicates that the
> blood-brain-barrier may be involved in headaches.
>> A third line of evidence that I discussed was a series of experiments
> that I carried out, starting in the early 1970's, in which I showed that
> em energy with characteristics similar to present day cell phone
> emissions apparently influenced brain chemistry. My experiments
> indicated that the dopamine and opiate systems of the brain were
> particularly involved. Others, subsequently, also found brain chemistry
> changes with exposure to em energy.
>> Thus, I concluded that cell phone frequencies and modulation are in a
> band that is one of the more significant biologically. I noted that the
> reports of headaches have a biological basis in theory and in data that
> was gathered 20-30 years ago. I also noted that the headaches reported
> may be only the most obvious indicator of a biological effect.
> Probably, though, only certain specific frequencies and modulations are
> of consequence biologically.
>>> Allan H. Frey email afrey at uunet.uu.net> 11049 Seven Hill Lane voice 301.299.5181
> Potomac, MD 20854, USA