Mice infected with Toxoplasma gondii parasites lose their fear not only of cats but of any danger, suggesting that the parasite is more generally opportunistic and less specific than previously believed, according to a study in Cell Reports. T. gondii reproduces only in the gut of cats, and infected mice are less fearful of cats, suggesting a specific relationship, but the new research found that infected mice are less anxious and have a stronger tendency to explore.
T. gondii might not be so smart after all
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