Ahhhhhh, some very interesting points, the living room device in particular and you deserve a gold star for your research Edwin
I think the answer to your question feels right Grey. I think we do need exposure to the Schuman resonance to keep good health.
Fast paced living, electric pylons, micro-waves, mobile phones, t.v.'s etc. are wonderful things, however I believe they should be used moderately because they must have an effect on our well being.
I'd be very interested to know the correct answer though
P.S. I think you're quite right about Wikipedia Imed