botulinum toxin is a weak form of a bacteria called clostridium botulinum
which is responsible for botulism which is very rare and the last case in
the USA was in the 1970's from tinned salmon it is used to conteract spasms
it is a very very weak form of it. botulism when it happens it very serious
and in a matter of hours ends in respiratory failure and CN shut down
hope this helps jenny