Al_phaD I don't get the multi quoting either!
Treadmills: moving ground makes the body recruit muscles as though "riding", nature is best where appropriate. Not a significant risk, continue to use treadmills without fear if suits you.
PCB's:
http://en/wikipedia.org/wiki/Polychlorinated_bipyenyl
Hair: I use a standard product as I have ridiculous hair to control, but there are cleaner waxes available
General rant: yeah I agree!
PS