Nicotine's effects (and how long they last) depend on many variables Medically reviewed by Armeen Poor, MD Nicotine stays in your body for different amounts of time depending on the type of test.

Rutgers Health research confirms confusion about the different mechanisms that make tobacco addictive and deadly.

Poison control centers are sounding the alarm on nicotine pouches as cases of young children accidentally ingesting them surge around the country. The warning comes amid new research showing calls ...

Medically reviewed by Kashif J. Piracha, MD Key Takeaways You can get addicted to nicotine within days of starting to use it. Nicotine affects the brain by releasing dopamine, which makes you feel ...

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 ...

Poison control centers are sounding the alarm on nicotine pouches as cases of young children accidentally ingesting them surge around the country. The warning comes amid new research showing calls ...

Dr. Bonnie Halpern-Felsher, left, is the Marron and Mary Elizabeth Kendrick Professor in Pediatrics II at Stanford University and founder of the Stanford REACH Lab; and its Tobacco Prevention Toolkit, ...

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 ...

COLUMBUS, Ohio — Nicotine pouches are a fast-growing source of nicotine poisoning in young children, according to a new study. Researchers at Nationwide Children's Hospital in Ohio analyzed more than ...