No. I know there certainly are centres that are using it in the United States.
I guess the interesting point is there's evidence that when you compress the body and drive more oxygen into it, even brain injuries can be reduced. It's outside-the-box thinking, but there is some research going on in that realm.
It's a question I've raised before, but I'll raise it again since we have three medical experts and advisors here—and I know how well briefed all of you military people are, so you'd be aware of the questions I've raised before.
In about the last 20 years there's been a tremendous increase in research into the effect of nutrition—vitamins, minerals, and nutrients in physiology and certainly on neurological functions, research into vitamin B1 and thiamine in supporting the nervous system. A lot of people take anti-stress vitamins that always contain vitamin B, and so on.
I know they're waiting for me to mention folic acid in terms of heart disease.