Eons before Europeans arrived in North America, Native Americans cultivated the tobacco leaf for ceremonial activities and medicinal purposes for use during prayers and rituals. They presented the ...

Nicotine quickly enters your bloodstream. Your liver then breaks down nicotine into several byproducts, primarily cotinine. Depending on what you're testing, such as a blood, urine, saliva, or hair ...

The success of different smoking cessation treatments could be predicted by how quickly smokers break down (metabolise) nicotine in their bodies, according to new research published in The Lancet ...

Yes, research shows that vaping carries the same risks for nicotine addiction as cigarette smoking. The same tools used to help people stop smoking can also be used to help quit to reduce vape use.