Why is the Church's attitude to homosexuality so outdated? Do the arguments against gay marriage seem logical? How are gay priests living in the Church today? And can understanding human biology help us reconcile sexuality and faith?

The Revd Dr Charlie Bell is a Cambridge-trained psychiatrist and priest in the Church of England. He is also openly gay, a rarity in Church circles. As an academic he teaches biochemistry to undergraduates while pursuing his research interest in biological markers that help us identify psychopaths. He has written a book called Queer Holiness, in which he examines the Church of England's attitudes towards homosexuality, arguing that the Church must embrace all non-heterosexuals if it is to realise the Christian ideals of universal love and opposing injustice.