HPA claims young lack confidence to insist on safer sex
There were almost half a million new cases of sexually transmitted infections (STIs) in the UK last year, figures show.
Experts at the Health Protection Agency (HPA), who collated the figures, say young people are most affected.
The rise is in part due to more testing, and the use of tests which are more sensitive at picking up signs of an infection - but experts believe unsafe sexual behaviour is also part of the story.
Dr Gwenda Hughes, head of the STI section at the HPA, says young people lack skills and confidence to insist on safer sex.