TOBACCO companies knew for decades that cigarette smoke was radioactive and potentially carcinogenic but kept the information from the public, a new study says.
The industry began investigations into the possible effects of these radioactive particles, identified as polonium-210, on smokers as early as the 1960s, says a study by University of California at Los Angeles (UCLA) researchers, who analysed dozens of previously unexamined industry documents.
The industry began investigations into the possible effects of these radioactive particles, identified as polonium-210, on smokers as early as the 1960s, says a study by University of California at Los Angeles (UCLA) researchers, who analysed dozens of previously unexamined industry documents.
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