Botulinum toxin is produced by the bacteria Clostridium botulinum and is the most toxic protein known to man [one teaspoon can kill 1.2 billion people]. Today botox ( a very low dose of botulinum) is a common medication used in the cosmetic industry to reduce wrinkles.
—http://www.thetoyzone.com/2009/blog/33-most-deadly-substances-on-earth/
