The parasite found in cat poo that can drive humans to suicide, car accidents and neuroticism can also make them more entrepreneurial. According to a study of 1495 students published in Proceedings of the Royal Society B, carriers of Toxoplasma gondii were 1.4 times more likely to study business, and 1.7 times more likely to focus on ‘management and entrepreneurship’. Moreover, people from countries with higher levels of the bug, which is carried by two billion people worldwide, report less fear of failure than less-infected nations.
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