A rough estimate shows that close to half of the worlds Muslims are inbred as a result of consanguineous marriages. In Pakistan, 70 percent of all marriages are between first cousins children of siblings and in Turkey the share is 25-30 percent.
Statistical research on Arabic countries indicates that up to 34 percent of all marriages in Algeria are blood-related as are 46 percent in Bahrain, 33 percent in Egypt, 80 percent in Nubia (the southern part of Egypt), 60 percent in Iraq, 64 percent in Jordan, 64 percent in Kuwait, 42 percent in Lebanon, 48 percent in Libya, 47 percent in Mauritania, 54 percent in Qatar, 67 percent in Saudi Arabia, 63 percent in Sudan, 40 percent in Syria, 39 percent in Tunisia, 54 percent in the United Arabic Emirates and 45 percent in Yemen. According to Dr. Nadia Sakati of King Faisal Specialist Hospital in Riyadh, 45 percent of married Arab couples are blood-related.. The fact that many of these couples are themselves children of blood-related parents increases the risk of negative consequences.
if it was uncaused then how does it exist?