>Those and other versions of magnets are being marketed to people to use as bed mattresses, shoe inserts, therapeutic devices etc etc etc.<

I have personally used strong magnets on sports injuries with terrific results... speeds the healing process... can take away pain immediately.  Can't speak to the other issues, but for that specific purpose they sure convinced me.  Snake oil to some maybe... wonderfully effective for me.

Mick
Hilo, Hawaii

[text/html]