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Researchers at the University of Zurich reported Thursday that a small protein called oxytocin makes you more willing to part with your money, raising the prospect that the hormone could have lucrative implications.

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The results demonstrate that people’s trust levels can be manipulated. Men who inhaled oxytocin invested 17 percent more overall, compared to those who’d received a placebo. They invested the maximum amount 45 percent of the time, while just 21 percent of men who had not taken the hormone invested the maximum.

Oxytocin has been known for many years as an important promoter of maternal behavior. When given to virgin rats it spurs them to build nests, and when neutralized with antibodies it can prevent mother rats from accepting their offspring

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