Estimating human infidelity

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Using information from genetic and behavioural studies, the article identifies those who conceive younger, live in deprivation, are in long term relationships (rather than marriages), or in certain cultural groups are at higher risk (of cuckoldry). Amazingly, they report that some studies report the rate of infidelity to be as high as 30%, although the median percent was 3.7%

Another nail in the coffin for the idea that humans are monogamous.