> What are the causes of Neuro toxins? Can they be caused by Stress and is
> burning sensation on soles of the feet a symptoms?
Neurotoxins are "caused" by anything. They are not endogenous. They are
induced into the body from a bite from a venomous animal (snakes/spiders) or
exposure to some organic vapors. And some other things.
Look at http://www.google.com/help/basics.html
HMc