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

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 ...

Chantix helps smokers kick their habit by making smoking less gratifying while simultaneously easing cravings.