Analysis on BBC Radio 4 is examining the evidence about the effects of pornography for a forthcoming programme.
The producers want to read comments from ordinary people who can write from personal experience about how they or people they know use pornography and the effect they think it has.
You do not need to fill out your personal details in the form below. But if you do, all comments will be included in the programme anonymously.
However, the producers would like to broadcast the country of origin, age, gender and profession of those who write in, so they would be grateful if you could include these details in your message.
www.bbc.co.uk/news/business-22558092