While stories like this might surprise or even disgust you, there may actually be a scientific or sociological basis for sexual attraction between siblings who were separated at a young age.Īs a 2011 University of Illinois study published in the Personality and Social Psychology Bulletin found, people appear to be drawn to others who resemble their kin or themselves - with those findings leading psychologist RC Fraley to speculate: “It is possible as Freud suggested, incest taboos exist to counter this primitive tendency.”
Video via HLN What is ‘Genetic Sexual Attraction’?
