From spiritual cleanliness to purity spirals: Matthew Sweet is joined by guests including David Aaronovitch; Catherine Coldstream, author of Cloistered – My Years as a Nun; Linda Woodhead, Professor of the Sociology of Religion at King's College, University of London; Izabella Scott, author of The Bed Trick; and Louise Brangan, author of The Fallen: The Magdalene Laundries and Ireland’s Legacy of Silence. They’ll be discussing ideas of purity in political ideology, religion, anthropology and the experiences of teenage girls.

Producer Luke Mulhall