In coinicidence with the ressurrection of this thread, the BBC showed a news item last night on this very topic and featured some children who had been born with terrible abnormalities.
They showed a Pak drama that has been made to address the issue - not sure what it was called but it features a couple who are first cousins who have a baby with a genetic defect
There are many threads on this subject. I recommend everyone who thinks first cousin marriages are ok because they are sanctioned by Islam to go to site you quote. makes for a very sobering reading. When will you guys believe it. When you marry a first cousin and give birth to a defective child?
It was in the papers today. Pakistanis in the UK have an additional 13 times (not 13%) risk of begetting children with disorders compared to the rest of the population.
Just because something is 'allowed', it need not necessarily be done