Public health authorities insist they are guided by science. But when it comes to nicotine, policy is driven less by ...

After a free, evidence-based guide to health and wellness? Sign up to our weekly Well Informed newsletter. BY SOME reckonings, nicotine is as addictive as cocaine. It has led legions to a slow death ...

You can get addicted to nicotine within days of starting to use it. Nicotine affects the brain by releasing dopamine, which makes you feel good. Even vaping can lead to nicotine addiction and harm ...

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 ...

Nicotine can be present in breast milk for a few hours after smoking or vaping. There are steps you can take to reduce your baby’s exposure to nicotine in breast milk. Nursing can provide many ...