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Published online 8 February 2002 | Nature | doi:10.1038/news020204-10

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Sperm and eggs fall foul of fallout

Nuclear tests up gene mutation risk.

People in the former Soviet republic of Kazakhstan who were exposed to fallout from nuclear-weapon tests have more genetic mutations in their eggs and sperm than normal, researchers have found1. Their children could inherit health defects caused by such mutations.

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