Laughter often plays a key role in sexual attraction, report researchers at the University of Kansas. Jeffrey Hall, an associate professor of communication studies, writing in Evolutionary Psychology, pointed out that when two strangers meet, the more a man can make a woman laugh, there is a greater chance that the woman will accept the man’s invitation for a date.

The study supports a University of College London paper in Human Nature earlier this year that found that laughter causes the release of endorphin, the happy hormone, which can spur people to open up to each other emotionally.

Poll Question:
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