Does Toxoplasma gondii make humans more impulsive/fearless/violent?
6
40
135
2050
47%
chance

https://en.wikipedia.org/wiki/Toxoplasma_gondii

https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4757034/

The jury is out currently. I'll resolve this once there have been enough large studies that it seems we have a conclusive answer. The effect size doesn't have to be large, but it needs to at least be relevant to day-to-day life.

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