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American scientists were able to identify that toxoplasmosis can lead to changes in the brain, for example, mice who have had the infection, no longer afraid of cats, even after recovery. Toxoplasma - amazingly simple, a habitat which may be any warm-blooded animal.

During the experiment, mice infected with Toxoplasma, and then examining their reaction to the presence of traces of cats, particularly smell. It should be noted that the conventional mouse, never even met a cat, avoid the smell of urine, which animals mark territory. But, as it turned out during the study, mice after infection lose this fear, some have not returned to their usual state and after recovery.

Source: mirfactov.com/