Researchers quickly determined that the “e-juice” that fills vaping cartridges is highly addictive, with one pod containing ...

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 ...

It's another reason to stop vaping in the new year. According to research, vaping, like smoking, has an immediate negative effect on the user’s blood flow — even if the vape does not contain any ...

Medically reviewed by Mary Choy, PharmD Key Takeaways Nicotine has a half-life of about two hours and can stay in the blood for about one to three days. Cotinine, a byproduct of nicotine, has a ...