16:30Am I Normal?Series 8Episode 1BBC Radio 4 Duration: 30 minutes Wed 20th Jul 2011, 16:30 on BBC Radio 4 FMAvailable for over a yearListen nowHow much do our libidos vary and what's normal? Vivienne Parry investigates. Show more GenresFactualHealth & WellbeingBrandAm I Normal?SeriesAm I Normal?: Series 8 Source: BBC Online