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Chemicals in the water are mixing up fish's gender (Photo courtesy of US Fish and Wildlife Service)

Scientists already know estrogen from things like 'The Pill' is getting into the water and causing reproductive problems for fish. Male fish are picking up female attributes. Some males are even growing eggs. Now a study finds there are other chemicals getting into water that might be messing with fish gender even more. Rebecca Williams reports:

The study from Environmental Health Perspectives

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Producer: Rebecca Williams
Release Date: February 16, 2009
Running Time: :47

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