[eccentric]

"According to the BBC, 55% of Pakistani-Britons are married to a first cousin, and as a corollary to that produce "just under a third" of all children in the UK with genetic illnesses, despite being only 3% of the total births."

This is worth reading, there is more information.

[Scanian]

Saudi Arabia has the reputation of being the worst though they keep their defective kids in the “closet” away from scrutiny.

The Arabs know the problem, yet they persist in it.

Distrust of “outsiders” is usually given as the reason for such stupid tribalism.

And considering that the “outsiders” are other Muslims, the distrust is justified.