[bilekas]

No, //cancer stems from the carcinogens in the burning / heating of tobacco//. Nicotine is not cancerous in itself any more than caffeine.

I'm not a doctor though so while I might sound sure it's based on what I've read on the topic over the many years.

Edit : rightly corrected its not just heating and burning, its tobacco and others in general. But nicotine itself is not cancerous.

[steve_adams_86]

Cancer also stems from non-heated tobacco because the plant itself contains carcinogens that are pressed into the skin in the mouth for example, often including lesions and such

[zardo]

Chewing tobacco causes cancer

[chneu]

But not because of the nicotine.