Mystery with a village in Turkey: Almost half of the inhabitants are deaf and dumb – Locals fear marriages between relatives are to blame
More than half of the population has disabilities, which is a concern for scientists
Donald Trump suggests Muslim congresswoman be investigated for incest
Trump attacked four US Congresswomen for their socialist and anti-American views in a rally
Inbreeding study reveals why humans don’t have sex with their relatives
Prehistoric humans developed surprisingly sophisticated social and mating networks and deliberately sought partners beyond their families