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Polonium: Harmless Unless Ingested

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Following the poisoning of former Russian spy Alexander Litvinenko, British authorities are following a trail of radioactive contamination. Litvinenko died from the effects of absorbing a rare radioactive element, Polonium 210.

Polonium is a naturally occurring element. There are trace quantities in the soil, minuscule amounts in seafood and in consumer products, such as anti-static brushes found in photo shops.

Although it is described as one of the "nastier radioactive isotopes," Polonium is harmless unless it gets inside your body, through ingestion or a puncture wound, for example.

Copyright 2023 NPR. To see more, visit https://www.npr.org.

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