TED-Ed

How parasites change their host's behavior - Jaap de Roode (2015x27)

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The biggest challenge in a parasite’s life is to move from one host to another. Intriguingly, many parasites have evolved the ability to manipulate the behavior of their hosts to improve their own survival -- sometimes even by direct brain control. Jaap de Roode details a few parasites that can really mess with the mind. Lesson by Jaap de Roode, animation by Andrew Foerster.