Russian research on Ionic footbaths

This is taken from Dr. Mercola site:
http://v.mercola.com/QA/Do-Ionic-Foot-Baths-Work--2070.aspx



"I am a health practitioner and a couple of years ago I went to a conference and came home with an ionic footbath, thinking that this was something additional I could offer my clients. I spent 1600$ on the machine . It is upstairs in my closet.
I did a few experiments when I got home. More salt in the water = more discoloration, even when my feet weren't in it. Chlorine in the water (ie. tap water) turns it brown. Feet in the water but no salt or chlorine produced no discoloration at all. Measuring the water afterward a treatment for heavy metals produced the same readings as before, except the copper was higher afterwards.
Before and after tests without putting the feet in the water also measured higher in copper. The coils of the machine are copper, and I wonder if some of the positive results that are being observed may be from copper that is absorbed during the treatment. (Many people are deficient in this mineral, but like any thing, too much can be problematic) ..The real problem came when I showed the machine to a friend, a Russian MD....a specialist in Bioresonance. He explained that this technology had been researched in Russia in the 1980's and thrown out. Apparently it is dangerous. The direct current causes polarity changes, affecting the integrity of the cell-wall membranes. This allows toxins that have been trapped in the cells to leak out. It also allows bits of mitochondria to leak out into the interstitial fluids, where the immune system may respond to them. Depending on one's genetic predispositions, this is a recipe for the development of an auto-immune disease, which may show up a couple of years later, with this being the provoking factor. Not Good."

I would like to know what people think about this.
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