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 ...

It has been tied to numerous dangerous health outcomes. New study uncovers alarming trend among US middle and high schoolers: ...

When I was in medical training in the 1970s, 40 percent of adults in the U.S. smoked cigarettes. There were cigarette vending machines everywhere, cigarettes cost a low 40 cents per pack, making teen ...

Until now, the storm over e-cigarettes has largely focused on how to keep the products away from minors. But the pervasiveness of nicotine addiction among teenagers who already use the devices is now ...