Yes. I smoked for 40 years and am in bad health from nicotine's effects on my circulatory system and not from lung cancer.

I never said the smoke was good for you but a small number of smokers develop lung cancer.

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Compare that with a 68-year-old man who has smoked two packs a day for 50 years and hasn't quit. He has a 1-in-7 chance of getting lung cancer by his 78th birthday. http://www.time.com/time/magazine/ar...004582,00.html

My ABI index in my legs went from .27 (possible limb morbidity) to better than .67 12 months after I stopped smoking -- I haven't smoked for over 3 years now. I needed cyroplasty in the femoral artery in one leg to compress 2 blood clots that were over 90% -- the insurance company paid $35K.

I am talking from my own experiences not what I read in some book. You want to gamble nicotine will have no effect on your body go ahead -- good luck -- maybe your outcome will be better than mine.

Concentrated doses of nicotine can be fatal.
http://en.wikipedia.org/wiki/Nicotine_poisoning

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Toxicology The LD50 of nicotine is 50 mg/kg for rats and 3 mg/kg for mice. 0.5-1.0 mg/kg can be a lethal dosage for adult humans, and 10 mg(0.1 mg/kg) for children.[2][4] Nicotine therefore has a high toxicity in comparison to many other alkaloids such as cocaine, which in mice has an LD50 of 95.1 mg/kg. A person can overdose on nicotine through a combination of nicotine patches, nicotine gum, nicotine inhaler cartridges and/or tobacco smoking at the same time.[5][6] Spilling an extremely high concentration of nicotine onto the skin can result in intoxication or even death since nicotine readily passes into the bloodstream from dermal contact. ...