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

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 ...

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

Despite all we know about the dangers of tobacco use, new products are constantly entering the market and luring teens into using them. Social media glamorization, peer pressure and misunderstanding ...