Nicotine is much less harmful than the tobacco that naturally contains it. It has never been found to cause cancer. Nor does it cause other smokers’ diseases such as emphysema. But it is, of course, ...

Nicotine itself could clear from your body in a few hours, but its byproduct can linger for days or weeks. Most nicotine tests detect cotinine, which can show up in urine, saliva, blood, hair, and ...

The art of vaping, as Texans have come to know it, will soon change — and it’s not just THC vapes that will disappear from shelves as certain nicotine vapes are at risk, too. A massive yet confusing ...