Estimating the Carcinogenic Potency of Second-Hand Smoke and Aerosol from Cigarettes and Heated Tobacco Products

Tomoyasu Hirano and Teiji Takei
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Tomoyasu Hirano: Division of Tobacco Policy Research, Center for Cancer Control and Information Services, National Cancer Center, Tokyo 104-0045, Japan
Teiji Takei: Division of Tobacco Policy Research, Center for Cancer Control and Information Services, National Cancer Center, Tokyo 104-0045, Japan

IJERPH, 2020, vol. 17, issue 22, 1-6

Abstract: The revised Promotion Act, enforced in April 2020, allows the establishment of dedicated smoking rooms for heated tobacco products (HTPs). Since carcinogenicity assessment is unable to determine the safe level of secondhand smoke, we estimated excess lifetime cancer risk using previously reported risk factors. Assuming that nicotine inhalation is proportional to cancer potency, the lifetime cancer risk for HTP IQOS is expected to be below 10 −5 (1/100,000), which is three orders of magnitude lower than that for cigarettes.

Keywords: heated tobacco products (HTPs); secondhand aerosol; policy; lifetime excess cancer risk (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2020
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