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 ...

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.

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.

TORONTO — People looking to secure health insurance from Manulife may no longer be subjected to nicotine testing, as the company looks to streamline the application process. The insurer (TSX:MFC) says ...