How PrEP changed Matt's life
The arrival of HIV/Aids in the 1980s had a devastating effect on gay communities around the world. Sexual intercourse was linked to the risk of contracting a deadly disease.
Pre-exposure prophylaxis (PrEP) is a relatively new treatment in the fight against HIV. Research suggests that taking a daily pill can drastically reduce the chances of acquiring the disease - even if one chooses to not wear a condom.
We explore how this treatment has changed Matt's attitudes to sex.
Producers: Alex Collins and Rob Brown
21 Aug 2017