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The length of time that nicotine stays in the body and cotinine can be a reliable indicator of nicotine use depends on the amount of tobacco smoked, the number of years smoking tobacco, and the type of nicotine test performed. It can be as short as 2 days, or as long as 3 months.
How long does it take lungs to recover after quitting smoking. up vote 16 down vote favorite. I have smoked on and off since I was 14. I just turned 27 in July. I have smoked a mix of tobacco and other stuff. I averaged about 15 packs a week. I currently cycle roughly 100 miles a week.ow long does it take lungs to recover after quitting smoking. up vote 16 down vote favorite. I have smoked on and off since I was 14. I just turned 27 in July. I have smoked a mix of tobacco and other stuff. I averaged about 15 packs a week. I currently cycle roughly 100 miles a week.