Medically reviewed by Amelia MacIntyre, DO Nicotine quickly enters your bloodstream. Your liver then breaks down nicotine into several byproducts, primarily cotinine. Depending on what you're testing, ...

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 ...

Scientists are reporting the first successful strategy to reduce smokers’ nicotine dependence while allowing them to continue smoking. The study provides strong support for proposals now being ...

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 ...

UCSF’s Habit Abatement Clinic is testing a vaccine that enlists help from the immune system to keep nicotine away from the brain. The vaccine is designed to help smokers quit and to limit the urge to ...

Sparrow Hospital in Lansing is changing a near decade-old policy prohibiting the hiring of applicants who test positive for nicotine. Instead of requiring applicants to pass a test showing that they ...

NPR's Alex Chadwick talks to Bob Moon of Marketplace about the controversy over Weyco, a Michigan company that's requiring employees to take a nicotine test. Four employees who refused to take test as ...

ACTON, Mass., May 05, 2020 (GLOBE NEWSWIRE) -- Psychemedics Corporation (NASDAQ:PMD), the world leader and pioneer in detecting drugs of abuse using hair analysis, today introduced a Vaping Panel to ...

NORTH JACKSON — Seven parents and two students took to the podium to question the effectiveness of the Jackson-Milton school district’s drug testing policy at its board meeting earlier this week. The ...