Little Mind Benders

Parasites that sneak into the brain may alter your behavior and health

5:02pm, January 10, 2013

Imagining tiny creatures infiltrating human brains is creepy enough. But Marion Vittecoq knows she has been invaded. Her inner companions may be just hanging out — or they may be subtly changing her personality, manipulating her behavior or altering her risk of disease. Yet she doesn’t sound particularly upset.

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