It's the erotic novel everyone is talking about, and women are praising for spicing up their sex lives - but today's guest Sarah thinks it should come with a warning.

50 Shades Of Grey follows the unusual relationship between naive graduate Anastasia Steele and handsome billionaire Christian Grey, who introduces her to sado-masochism and bondage. But for Sarah (not her real name), reading the explicit book brought back a series of harrowing memories from a time in her past which almost destroyed her.

Today Sarah, 51, joins us to warn other women of the dangers this type of relationship can lead to.