Marriage between cousins

Scandinavian countries are considering, or in the process of banning marriage between first cousin. Professor Joyce Harper (UCL EGA Institute for Women’s Health) explains the genetic implications of marriage between cousins.

Listen: BBC World Service ‘The Newsroom’ (from 18 min, 10 sec); More: BBC Radio 4 ‘PM’ (from 52 min, 8 sec), BBC Radio Ulster 'Talkback' (from 1 hr, 6 min, 23 sec)