How long does a puff of nicotine stay in your system? There isn’t a simple answer to this. It all depends on the tobacco or nicotine product used — whether you took a puff of a cigarette ...

After ingesting tobacco, nicotine stays in the urine, blood, saliva, hair, and nails. Learn more about how long nicotine stays in a person's system here.

If you’ve recently quit tobacco or are preparing for a screening, a smart question you may be asking yourself is: how long does nicotine stay in your system?According to the U.S. Food and Drug ...

How long does nicotine stay in your system? It depends on a number of factors including genetics and how much was ingested, but nicotine usually stays in your system for anywhere from 80 to 100 ...