British Prime Minister #Starmer blocked a bill banning marriages between first cousins to secure voter support. About 55% of British Pakistanis marry their first cousins. The side effects include developmental delays, mental retardation, reduced IQ, risk of mental disorders, schizophrenia, and bipolar disorder, as well as aggression and a propensity for violence Source: Банкста ➖➖➖ Well, take any royal family - same thing. Habsburgs are a very good example.