title: Sexpression:UK.
authors.affiliation: Writer, Broadcaster, Consultant and Trainer, Cambridge, UK.
authors.forename: Susan
authors.initials: S
authors.lastname: Quilliam
authors.affiliation: Medical Student, Newcastle University, Newcastle upon Tyne, UK.
authors.forename: Martha A
authors.initials: MA
authors.lastname: Smith
keywords: health education; sex education; teenagers