The CVA, popularly called a stroke, is the acronym for cerebrovascular accident, the medical term used when a part of the brain suffers an infarction, usually due to a failure in blood circulation.
Botulism is an uncommon disease, potentially fatal, resulting from the action of a neurotoxin (toxin that attacks the neurons) produced by the bacterium Clostridium botulinum. The botulinum neurotoxin is one of the most lethal poisons we know.
The famous Botox is the trademark and pharmaceutical of botulinum toxin A, a toxic protein originally produced by the bacterium Clostridium botulinum. This toxin is a powerful poison, the same one that causes botulism, a serious food poisoning.