In a latest study, Italian scientists injected the whisker muscles of rats with the toxin. Within three days, they discovered traces of potentially deadly botulism in the rodents' brain stems. The study’s author also said that the toxin also moved from one hippocampus, which controls long-term memory, navigation and eye-head coordination , to the hippocampus on the other side of the rat's brain. Although rats and humans have a different physiology and their responses may vary, scientists are of the opinion that the results should lead to more research.
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