Originally Posted by
PeteHski
Very hard to prove, but not totally implausible..
Disagree. Impossible to prove because completely implausible. Frankly, the claim isn't well-enough stated to even be testable.
Detecting earth's magnetic forces has nothing whatsoever to do with benefitting from allowing your body to have infinitesimally small amounts of earthly electricity flow though it.
Do you have to ground a magnetic compass?