National Toxicology Program

• Primary Uses or Exposures: The primary source of tobacco smoke is cigarettes but it is also produced from pipes and cigars. Approximately 34% of persons in the United States (over 12 years) use tobacco products.
• Nominated by: Private Individual
• Basis for Nomination: IARC¹ classification as carcinogenic to humans
• Current Status: Listed in the RoC as known to be a human carcinogen since the 9th RoC (2000); See Tobacco Related Exposures

¹ International Agency For Research On Cancer (IARC)