Medically reviewed by Kashif J. Piracha, MD Key Takeaways You can get addicted to nicotine within days of starting to use it.

Nicotine stays in your system for only a few days or less, but withdrawal symptoms from nicotine can last up to weeks.

Doctors explain why people relapse into smoking after years of abstinence, and how brain reward memory, stress, ...

Anyone walking through Brown’s campus may smell wafts of cigarette smoke — a sign of the prevalence of cigarette use on ...

Ellie’s smoking habit began, like many people, as a result of working around other smokers. “I realised while working at a restaurant that my coworkers who were smokers (which was most of them) were ...

PHILADELPHIA (WPVI) -- A somewhat controversial smoking ban has gone into effect in Philadelphia. All city-funded residential drug and alcohol treatment programs are now tobacco-free. Some say it's ...

Is marijuana addicting? A caller to my talk show today talked about how his son was addicted to smoking pot and that he doesn’t seem to have the ability to quit. When I smoked pot in the past, I never ...