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 ...

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

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 ...