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 ...

The FDA has given marketing authorization to Zyn nicotine pouches. That doesn't necessarily mean they're safe to use, especially for young people, and experts say there's little evidence that they ...

Q. I read in your column about nicotine patches helping with memory. I have been trying them, and I do feel sharper. I’m not sure if this effect is real or placebo. That said, my question is how long ...

If cigarettes contained very little of the chemical that keeps people smoking, it could help smokers move away from these deadly products. That’s the rationale behind a new rule proposed on January 15 ...

Maggie Aime has over 25 years of experience in healthcare and as a nurse across specialties including oncology, kidney transplant, cardiology, and more. She leverages her rich healthcare experience to ...