Medically reviewed by Mary Choy, PharmD Key Takeaways Nicotine has a half-life of about two hours and can stay in the blood ...

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 ...

Some research suggests using gum as nicotine replacement therapy can raise blood pressure. However, for some people, the benefits of replacing smoking with nicotine gum may outweigh the risks. Chewing ...

Vaping, even without nicotine, can immediately drop your blood vessels’ ability to carry life-sustaining oxygen throughout the body. Research presented at 2024’s annual meeting of the Radiological ...

Introduction: The rate of nicotine metabolism, estimated by the nicotine metabolite ratio (NMR), is an important determinant of tobacco dependence. This study investigated the effect of NMR on smoking ...

WASHINGTON (AP) _ Nicotine given to animals in water or by injections stimulated the growth of blood vessels. The finding surprised researchers and could have implications for some medical treatments ...

The number of teens using electronic cigarettes grows every year, according to data from the National Institute of Health . The rise in vaping has led to an uptick of students sneaking puffs in locker ...