Assault on the male.

The discovery of abnormalities in human sperm led scientists in Copenhagen to research the potential causes of these changes, as well as other changes in male reproduction like the trebling of incidence of testicular cancer over the last 30 years in the UK and US. Are changes in modern living increasing levels of oestrogen and threatening males of different species, from alligators to humans? This programme looks in depth at the effects of added hormones in our environment and attempts to find where they are coming from.