Medically reviewed by Amelia MacIntyre, DO Nicotine has a half-life of two hours, but cotinine can be detected for up to four ...

Nicotine's effects (and how long they last) depend on many variables Medically reviewed by Armeen Poor, MD Nicotine stays in your body for different amounts of time depending on the type of test.

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 ...

Parents are increasingly facing a problem that just years ago would have seemed unfathomable: their kids are addicted to vaping. The rise in teen e-cigarette use has been reiterated in study after ...

Health officials hope the additional testing will help identify disease and drug trends more quickly. Measles testing began in mid-July, while opioid and nicotine testing started nine months prior.