Assault on the Male
Scientists estimate sperm counts have fallen by half over the last 50 years. Testicular cancer and malformations of male organs have become increasingly common.
Biologists have found evidence of alarming abnormalities in fish, alligators and other wildlife which point to the animals becoming "feminised". From the swamps of Florida to a Boston laboratory where cancerous breast tissue revealed that chemicals were leaking from plastic containers and acting like female hormones on the cells, to Britain's reservoirs and medical clinics, Horizon tracks down the possible causes.
Since this programme was first shown, its alarming findings have been used in briefings of members of the US Congress and has led to environmental campaigns around the world. Producer Deborah Cadbury Editor Jana Bennett
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