In detecting nicotine and its metabolites in the body, levels remain detectable in the urine only for 3 to 4 days. However, this may be different for some cases. For passive smokers, urine nicotine test can be positive for as long as 15 to 20 days.
http://www.ihealthblogger.com/how-long-does-nicotine-stay-in-your-system-blood-urine-hair-and-tests/
– How long does nicotine stay in your system (hair tests) This is a reliable method to measure long-term nicotine use, but is an expensive method of testing. This method is extremely accurate for a period of up to 3 months after stop smoking, and can detect nicotine use for up to 1 year after quitting. – How long does nicotine stay in your system (system clean) Most people believe that nicotine is out of your system in just 3 days, but that is not correct.
http://www.jetajone.com/how-long-does-nicotine-stay-in-your-system/
Nicotine has been shown to be an even more addictive drug than others such as heroine! The lingering presence of nicotine in the body acts as a reminder for nicotine consumption. It is popularly believed that nicotine is released from the human body within 72 hours of its consumption, but the truth is far different. The various aspects of nicotine storage in the body last for weeks after the most recent consumption of nicotine. Many people wonder about how long nicotine stays in your blood.
http://www.med-health.net/How-Long-Does-It-Take-for-Nicotine-to-Leave-Your-System.html
In terms of smoking cessation, nicotine withdrawal symptoms usually peak between 12 and 24 hours after the last cigarette. As the nicotine slowly leaves your system, these symptoms will decrease. If you have concerns about nicotine withdrawal or smoking cessation, talk to your healthcare provider.
http://answers.webmd.com/answers/1200374/how-long-does-nicotine-stay-in-the-body
Nicotine Drug Test. In order to know the fact as to how long nicotine stays in your system, you need to remember the duration of smoking and the number of cigarettes smoked per day. Usually nicotine persists in the body for 2-4 days but in some cases it may also last for a few months. However, in the case of passive smoking the nicotine remains in the body for a long time. The presence of nicotine is usually detected in the urine, blood, and hair follicle through medical tests.
http://www.primehealthchannel.com/how-long-does-nicotine-stay-in-your-system.html
When a person stops smoking, nicotine will start to disappear from their body. Once that happens, they will eventually lose all remnants of nicotine out of their system. For some, that process can take as little as three days. For others, it can take up to three months.
https://quitsmokingcommunity.org/effects-smoking/how-long-does-nicotine-stay-in-your-system/
Nicotine absorbed by the body through smoking, chewing and other tobacco use can linger for a longer period of time. Each person's unique metabolism also plays a role in how quickly the body gets rid of nicotine. In terms of testing, nicotine may be detectable up to 30 days after a person last used it. Some types of nicotine tests are more sensitive than others. For example, a blood test is generally considered more sensitive than a urine test, which means a person who passes a urine nicotine test might not pass a blood test.
http://answers.webmd.com/answers/1200374/how-long-does-nicotine-stay-in-the-body
The sample is collected in a strip which is soaked for about 20 minutes, this then mixes with cotinine, showing quantity of nicotine in the system. So nicotine can stay in your saliva for more than 11 hours and can almost last till 5 days.
http://doctordecides.com/how-long-does-nicotine-stay-in-your-system/
Each portion of the body drains of nicotine at different rates. So while nicotine may be expelled from the blood in as little as a day after a person quits smoking, it may take as long as 15 or 20 days for it to be expelled from the urine. Once again, these times will vary depending on a variety of factors, most of which have to do with how long a person has been smoking.
https://quitsmokingcommunity.org/effects-smoking/how-long-does-nicotine-stay-in-your-system/
Immediate and long term benefits of quitting tobacco smoke. 1  Within approx 20 minutes after you quit smoking, your heart rate as well as blood pressure returns to normal. 2  Level of carbon monoxide in the body drops considerable after 12 hours from quitting. Your lung functioning and blood circulation consistently improves and becomes normal during 2 week to around 3 months. Other issues such as shortness of breath and coughing become stabilized in around 1 month to 9 months.
http://doctordecides.com/how-long-does-nicotine-stay-in-your-system/
how long does nicotine stay in your body
Nicotine stays up to 30 days in your body. Nicotine stays for up to 30 days in your body.