Originally Posted by Diomed

Well let's start with the first one - inbreeding

https://www.nytimes.com/2003/05/01/w...nbreeding.html

"Across the Arab world today an average of 45 percent of married couples are related, according to Dr. Nadia Sakati, a pediatrician and senior consultant for the genetics research center at King Faisal Specialist Hospital in Riyadh.

In some parts of Saudi Arabia, particularly in the south, where Mrs. Hefthi was raised, the rate of marriage among blood relatives ranges from 55 to 70 percent, among the highest rates in the world, according to the Saudi government."