How long does nicotine stay in the blood/urine?

[CarlieTheWalrus:P]

After smoking a cigarette how long does nicotine stay in the blood/urine?
For how many days/weeks?

Simple answer please

[peanut]

Scroll down to where it says Urinal Drug Test and Blood Test for Nicotine. http://www.primehealthchannel.com/how-long-does-nicotine-stay-in-your-system.html

[SimonP]

nicotine persists in the body for only 3-4 days only. But for those who are passive smokers the traces of nicotine can be found for as long as 15-20 days.

[IsaacMunoz]

depending on how long you smoked if yoy enjoy a cigarette or two maybe a few days or if you are a chain smoker it's last up to two weeks

[IsaacMunoz]

depending on how long you smoked if yoy enjoy a cigarette or two maybe a few days or if you are a chain smoker it's last up to two weeks