Historically, nicotine has not been regarded as a carcinogen and the IARC has not evaluated nicotine in its standalone form or assigned it to an official carcinogen group.
Nicotine has not been regarded as a carcinogen. This was historically. The IARC has not evaluated nicotine in its standalone form. This was historically. The IARC has not assigned it to an official carcinogen group. This was historically.