The FDA's list of hazardous compounds in cigarette smoke contains radioactive polonium-210 and two well-known isotopes of uranium. Cigarette makers flagged the problem internally by the 1960s and studied it in secret. Wired Science blogger Deborah Blum explains more.
via Wired Top Stories http://feeds.wired.com/~r/wired/index/~3/b9YDHvyDKrs/
via Wired Top Stories http://feeds.wired.com/~r/wired/index/~3/b9YDHvyDKrs/
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