Scientists from the University of Cambridge have discovered that our bowel movements haven’t changed much since the Old Testament. A study inspecting early toilets in Jerusalem has shown that the same form of diarrhoea many of us experience now has been around since before Jesus himself.

Professor Piers Mitchell who runs the Ancient Parasites Laboratory in the Department of Archaeology at the University of Cambridge joined Stefanie Preissner on the show who was filling in for Seán today.