Women are genetically programmed to have affairs
Are people genetically predisposed to cheat? Women are predisposed by their genetics to have affairs as "back-up plans if their relationships fail.
The University of Texas study challenges the assumption humans have evolved to have monogamous relationships.
The team's research has put forward the "mate-switching-hypothesis" which says humans have evolved to keep testing their relationships and looking for better long-term options.
The senior author of the research, Dr David Buss, told the Sunday Times: "Lifelong monogamy does not characterise the primary mating patterns of humans.
"Breaking up with one partner and mating with another may more accurately characterise the common, perhaps the primary, mating strategy of humans."
For our distant ancestors – when disease, poor ...