Nicotine has a half-life of about two hours and can stay in the blood for about one to three days. Cotinine, a byproduct of nicotine, has a half-life of 18 hours and can last for several days.

Maggie Aime has over 25 years of experience in healthcare and as a nurse across specialties including oncology, kidney transplant, cardiology, and more. She leverages her rich healthcare experience to ...