Nicotine itself could clear from your body in a few hours, but its byproduct can linger for days or weeks. Most nicotine tests detect cotinine, which can show up in urine, saliva, blood, hair, and ...

How long nicotine stays in your system depends on factors like smoking frequency. Antioxidants from food like garlic can ...

Nicotine is an addictive chemical found in tobacco products, such as cigarettes, electronic cigarettes (e-cigarettes), cigars ...