In Morriston Hospital in Swansea in 1994 a group of ordinary middle-aged Welsh men stepped into the unknown by taking part in the world's first medical trials for the drug that became Viagra.
Aneurin Barnard , Iwan Rheon , Alexandra Roach , Phaldut Sharma , Paul Rhys , Steffan Rhodri , Mark Lewis Jones , Joanna Page , Lisa Palfrey , Alexandria Riley
BBC
