In 601 AD, Pope Gregory the first wrote to the Archbishop of Canterbury, banning cousin marriage, specifically because it was known to produce "defective children".
— Maven Politic (@MavenPolitic) February 11, 2026
Today the NHS overturns this ancient wisdom, and says that you just shouldn't worry about it, bro. https://t.co/xVFgETETjF pic.twitter.com/0nRU1aDUSn
Wednesday, February 11, 2026
NHS staff have been told to stop discouraging first cousin marriage
